Airport Authority of India Jr. Executive Electronics paper

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Exam pattern:
Written test consisting of 150 Multiple choice questions…
It is divided in to two sections namely ::
50% questions on Technical subjects
50% questions on Non-Technical.

For Technical Section Questions are appeared from the following subjects
Basic Electronics
Communication Systems
Microwave Engineering
Analog and Digital Electronics
Telecommunication Engineering
Information Technology
Computer Networks
Network Graphs

For Non Technical Section
General Awareness – History, Sports, Geography, Environment, Civics, Basic Science, Defence, Art, Culture, Current Affairs, Politics etc.
Verbal Ability in English – Comprehension, Error Detection, Sentence Completion, Synonyms, Antonyms and Testing of Vocabulary.
Numerical Ability – Decimal Fraction, Simplification, Average, Profit & loss, Percentage, Ratio & Proportion and Simple interest.
Reasoning and Military Aptitude Test – Verbal Skills and Spatial Ability.

Question paper ::
1. six members of a familyare travelling these are a,b,c,d,e, and f. b is
the son of c but c is not mothers of b. a and c are a married couple, e
is the brother of c. d is the daughter of a. f is the brother of b.
who is the wife of e:
(a) a
(b)f
(c)b
(d) cant be determined

2.six members of a familyare travelling these are a,b,c,d,e, and f. b is
the son of c but c is not mothers of b. a and c are a married couple, e
is the brother of c. d is the daughter of a. f is the brother of b.
which of following is pair of female
(a)ae
(b)bd
(c)df
(d)ad

3. six members of a familyare travelling these are a,b,c,d,e, and f. b is
the son of c but c is not mothers of b. a and c are a married couple, e
is the brother of c. d is the daughter of a. f is the brother of b.
how is e related to d:
(a) father
(b)brother
(c)uncle
(d)none of these

4.there is a group of five teachers a,b,c,d and e
- b and c teaches maths and geography
- a and c teach maths and history
- b and d teach political science and geofraphy
- d and e tech political science and biology
- e teaches biology, history, and political science
who teaches political science, geography and biology
(a)e
(b)d
(c)c
(d)b

5. there os a group of five teachers a,b,c,d and e
- b and c teaches maths and geography
- a and c teach maths and history
- b and d teach political science and geofraphy
- d and e tech political science and biology
- e teaches biology, history, and political science
who teaches in mathematics, political science and geography:
(a) a
(b)b
(c)d
(d)e
6. there os a group of five teachers a,b,c,d and e
- b and c teaches maths and geography
_____________Downloa
- a and c teach maths and history
- b and d teach political science and geofraphy
- d and e tech political science and biology
- e teaches biology, history, and political science
who teaches maths, geography and history
(a) c
(b)e
(c)a
(d)b

7. there os a group of five teachers a,b,c,d and e
- b and c teaches maths and geography
- a and c teach maths and history
- b and d teach political science and geofraphy
- d and e tech political science and biology
- e teaches biology, history, and political science
who teaches maths, geography and history
(a) e
(b)a
(c)d
(d)c

8.there os a group of five teachers a,b,c,d and e
- b and c teaches maths and geography
- a and c teach maths and history
- b and d teach political science and geofraphy
- d and e tech political science and biology
- e teaches biology, history, and political science
who teaches political science, history and biology
(a)a
(b)b
(c)c
(d)e

9.1.gita, ravi and suresh are children of. mr. and mrs. khanna
2. renu,raja and sumit are children of mr. and mrs. chopra
3. sumit and gita are married and ashok and sanjay their children
4. garima and ram are children of mr. and mrs. chawla/
5 garima is married to suresh and has three children rata,sonu,raju
how is ravi related to raju
(a)brother
(b)uncle
(c)cousin
(d)maternal uncle

10.1.gita, ravi and suresh are children of. mr. and mrs. khanna
2. renu,raja and sumit are children of mr. and mrs. chopra
3. sumit and gita are married and ashok and sanjay their children
4. garima and ram are children of mr. and mrs. chawla/
5 garima is married to suresh and has three children rata,sonu,raju
how ravi related to ashok
(a)maternal uncle
(b)cousin
(c)brother in law

Attached Files Available for Download

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1. In a communication system, noise is most likely to affect the signal
(a) at the destination
(b) In the channel
(c) in the information source
(d) at the transmitter

Ans :: b

2. Broadband long distance communications are originally made possible by
the advent of
(a) telegraph cables
(b) repeater amplifiers
(c) HF radio
(d) Geostationary satellites
Ans :: b

3. Which of the following characterizes an analog quantity?
(a) Discrete levels represent changes in a quantity.
(b)Its values follow a logarithmic response curve.
(c)It can be described with a finite number of steps.
(d)It has a continuous set of values over a given range.
Ans :: d

4. A differential amplifier has a differential gain of 20,000 . CMRR=80 dB. The common mode gain is given by
(a) 2 (b) 1 (c) 1/2 (d) 0

Ans :: a

5. Indicate the false statement. Fourier analysis shows that the saw tooth
wave consist of
(a) fundamental and subharmonic sine waves
(b) a fundamental sine wave and an infinite number of harmonics
(c) fundamental and harmonic sine waves whose amplitude decreases with
the harmonic number
(d) sinusoidal voltages, some of which are small enough to ignore in
practice
Ans :: a

6. The most commonly used amplifier in sample & hold circuits is
a) A unity gain non-inverting amplifier b) A unity gain inverting amplifier
c) An inverting amplifier with a gain of 10 d) An inverting amplifiers with a gain of 100

Ans :: b

7. What is the maximum data rate sustainable by a noisy channel with a bandwidth of 10KHz and a
signal to noise ratio of 2047?
(a) 110 Kbps (b) 1 Kbps (c) 20 Kbps (d) 1023 Kbps (e) 10 Kbps

8. UTP cables are twisted to
(a) reduce the cross talk. (b) decrease the length. (c) strengthen them.
(d) make them easier to use in networks. (e) reduce the cost of manufacturing.

9. Select the correct statement(s).
(a) The physical topology of an Ethernet LAN connected through a switch is a star.
(b) The physical topology of an Ethernet LAN connected through a Hub is a Star topology.
(c) The physical and logical topologies of networks are always different.
(d) The Internet can be considered as a network with a Bus topology.
(e) The physical topology of all types of Ethernet LANs is a Bus topology.

10. waveguide are generally made of
(a) Aluminium
(b) Bronze
(c) Both (a) and (b)
(d) none of these
Ans :: c

11. Which type of signal is represented by discrete values?
(a) noisy signal
(b) nonlinear
(c) analog
(d) digital

Ans :: d

12. What is the subnet mask of the network identified as 10.16.48.0/20 in dotted decimal notation?
(a) 255.255.255.0 (b) 255.255.240.0 (c) 10.16.48.255 (d) 10.255.255.255 (e) 255.255..254.0

13. Select the correct statements.
(a) HTTP uses TCP as the transport protocol.
(b) HTTP uses TCP as well as UDP as the transport protocol.
(c) SMTP uses UDP as the transport protocol.
(d) DNS uses UDP as the transport protocol.
(e) SMTP uses TCP as the transport protocol

14. Given BCD number 1001 0011, its decimal equivalent is
(a) 147
(b) 143
(c) 93
(d) 39
Ans :: c

15. In differential amplifiers, the common emitter current is made constant
(a) To make Ad (differential gain) very small
(b) To make Ac (common mode gain) very small
(c) To make the amplifier symmetrical
(d) To keep CMRR constant

Ans :: b

16. Converting data into signals by transforming and encoding the information to produce electromagnetic signals is the functionality of a
(a) source
(b) transmitter
(c) receiver
(d) destination

Ans :: b

18. Switching systems
(a) Improve the efficiency of data transfer
(b) are not used in data system
(c) require additional lines
(d) are limited to small data networks
Ans :: a

20.Microwave following the curvature of earth, is know as
(a) fading
(b) Ducting
(c) troposphere scatter
(d) ionosphere reflection
Ans :: b

25. Indicate the false statement. The square of the thermal noise voltage
generated by a resistor is proportional to
(a) its temperature
(b) Its resistance
(c) Boltzmann’s Constant
(d) the bandwidth over which it is measured

Ans :: a

28. If the plate supply voltage for a plate modulated class C amplifier is V, the
maximum plate-cathode voltage could be almost as high as
(a)4v
(b)3v
(c)2v
(d)1v
Ans :: a

(1) The least perfect square number which is divisible by 3,4, 5, 6 and 8 is
(a) 900
(b) 1600
(c) 2500
(d) 3600
Ans: ( d ) 3600

2. A man has Rs. 480 in the denominations of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes are equal. What is the total number of notes ?
(a) 60
(b) 90
(c) 75
(d) 45
Ans: ( b ) 90

3. In an organization, 40% of the employees are matriculates, 50% of the remaining are graduates and remaining 180 are post-graduates. How many employees are graduates ?
(a) 360
(b) 240
(c) 180
(d) 300
Ans: ( c ) 180

4. In class of 100 students 50 students passed in Mathematics and 70 passed in English, 5 students failed in both Mathematics and English. How many students passed in both the subjects?
(a) 25 (b) 30 (c) 50 (d) 45

Ans :: a

5. If 10 cats can kill 10 rats in 10 minutes how long will it take 100 cats to kill 100 rats
(a) 1 minutes (b) 10 minute (c) 100 minutes (d) 10000 minutes

Ans :: b

6. A clock shows the time as 6 a.m. If the minute hand gains 2 minutes every hour, how many minutes
will the clock gain by 9 p.m.?
(a) 30 minutes
(b) 25 minutes
(c) 28 minutes
(d) 34 minutes

Ans :: a

15. National Institute of Oceanography is located in :
a. Calcutta
b. Chennai
c. Mangalore
d. Panaji
Ans : d

16. The 2004 Olympics were held in :
a. Bangkok
b. Rome
c. Athens
d. Nagasaki
Ans : c

17. Who headed the committee appointed on Kargil War ?
a. Gen. V. P. Malik
b. Gen. S. K. Sinha
c. K. Subramanyam
d. K. C. Panth
Ans : c

18. The C. K. Nayudu Trophy is related to the sport of
a. cricket
b. Hockey
c. Football
d. Chess
Ans : a

19. New York is situated on the river
a. Hudson
b. Thames
c. Danube
d. Tigris
Ans : a

20. “The Woman of the Millennium” selected by the British Broadcasting Corporation (BBC) is
a. Margaret Thacher
b. Hillary Clinton
c. Chandrika Kumaratunga
d. Indira Gandhi
Ans : d

21. On 21 February 2012…………….Government and the Airport Authority of India AAI signed a memorandum of understanding (MOU) to establish airports in ……….. and ………….

Ans :: Jharkand Government,Jamshedpur and Bokaro

22. Territorial waters of India extends up to how many nautical miles ?

(a) 8 (b) 12 (c) 16 (d) 22

Ans :: b

23. The General Assembly of United Nations meets
a. Once a year
b. twice a year
c. thrice a year
d. Once in five years
Ans : a

24. The Finance Minister ofIndia recently made a mention that Infrastructure Development in India should be done on PPP model only. What is the full form of’PPP’?

a) Purchasing Power Parity
b) Public Private Partnership
c) Purchase Produce Provide
d) People’s Programme & Priority
e) None of these

Ans :: b

25. The Golden Peacock Award for the Best Film was given to which of the following films at the 42nd International Film Festival of India which came to an end at the Kala Academy in Panaji, Goa on 3 December 2011?

a) Russian film Elena
b) an Israeli film Restoration
c) Columbian Film Porfirio
d) Malayalam film Adaminte Makan Abu

Ans :: c

Airport Authority of India Jr. Executive Electronics paper
1. Just as a voltage amplifier signal voltage a power amplifier.
1.amplifier power
2.amplifier signal
3.converts the signal ac power into DC power
4.converts a dc power into useful AC power
2.Cross over distortion in class - B push-p amplifiers:
1. Is due to transistor operating near saturation region
2. Can be eliminated by operating them in class operation
3. Occurs because two power transistors do not exactly matching parameters
4. Always occurs in low signal area
3. If the load p.f. is 0.866, then the average p.f. the v-bank is
1. 0.886
2. 0.75
3.0.51
4. 0.65
4.AT-T connection has higher ratio of utilizax that n a V - V connection
only when
1. Identical transformers are used
2. Load power factor is leading
3. Load power factor is unity
4. Non-identical transformers are used
5. A commercial power supply has a voltage regulation of:
1. 1%
2.5%
3.20%
4.50%
6. Which stage is of a d.c. power supply uses zener diode
1. Rectifier
2. Voltage divider
3. Filter
4. Regulator
7. Which rectifier requires 4 diodes ?
1. half wave rectifier
2. full wave rectifier
3. bridge type rectifier
4. Voltage quadrupler
8.The advantage of dynamic RAMs over static RAMs is
1. Lower power consumption
2. Higher power consumption
3. Higher packing density
4. Lower packing density
9. The address range for M = 64 words storage in hexadecimal format is
1. 00 to 3F
2. 00 to FF
3. 0 to 3
4. 0 to F
10. The 8085 is a – microprocessor
1. 4 bit
2. 8 bit
3. 16 bit
4. 32 bit
11. The voltage gain of a common base amplifier depends on
1. Load resistor RL
2. input resistance of transistor
3. Ac alpha
4. All the above
12. A JFET has the disadvantage of
1. Having low input impedance
2. Having high output impedance
3. Having small gain band-width product
4. Possessing positive temperature coefficient
13. A FET is preferred over an ordinary transistor because it
1. Permits high degree of isolation between input & output circuits
2. Has low noise level
3. Has very high power gain
4. Has all the above properties
14. To turn a UJT ON, the forward bias on emitter diode should be:
1. more than the peak point voltage
2. less than the peak point voltage
3. Equal to the peak point voltage
4. Equal to the stand - off voltage
15. Which of the following statements is wrong for transistor biasing
methods:
1. The base resistor method does not provide stabilization of operating point
2. The biasing with feedback resistor provides only some stabilization
3. Base resistor method provides better stabilization than collector feedback
method
4.Voltage divider bias is widely used because it has stable operating point
16. The disadvantage of voltage divider bias is that
1. it has a high stability factor
2. it has many resistors
3. it allows thermal runaway
4. it does not allow faithful amplification
17. In class-A amplifier conduction extends over 360° because the
operating point.
1. Located near saturation point
2. Located at or near cut-off point
3. Located on load line
4. Located in the centre of load line
18. The capacitance of reverse biased P-N junction
1. Decreases with increasing the reverse bias
2. Increases with increasing the reverse bias
3. Depends only on reverse saturation current
4. Makes the P-N junction more effective at high frequencies
19. In a transistor
1. Emitter is heavily doped while the collector is moderately doped
2. Collector base junction is forward biased
3. Emitter is made wider than collector
4. The input resistance is much higher than output resistance
20. If a transistor were operated with emitter and collector
interchanged, then
1 .emitter current will increase
2. Collector current will increase
3. Base current will decrease
4. No current flow will take place
21. When a current flows in a conductor, the order of magnitude of the
drift velocity of electrons in it is
1. IO10 cm/s
2. 10-2 cm/s
3. 104 cm/s
4. 10-1 cm/s
22. When an alternating potential is applied to a capacitor, the current
in the circuit will
1. lead the applied potential
2. lag the applied potential
3. be in phase with the applied potential
4. none
23. In application of superposition theorem, one is required to solve as
many circuits as there are
1. Nodes
2. Branches
3. Meshes
4. Sources
24. Norton's equivalent of a circuit consists of a
1. Constant current generator with parallel impedance
2. Constant current generator in series with an infinite resistance
3. Constant current generator in parallel with high impedance
4. Constant current generator in series with low impedance
25.. We require a resistor of 47 K Ω- with ± 10% tolerance. The sequence of colour
band on this resistor would be
1. Yellow, violet, orange & silver
2. Yellow, brown, orange & silver
3. Yellow, violet, orange & gold
4. Yellow, violet, brown & gold
26.. The high level language can be translated into machine language
with the help of
1. Assembler
2. Stack pointer
3. Compiler
4. Multiplexer
27. The Intel 8259 is a - chip programmable interrupt controller
1. Single
2. Double
3. Triple
4. All of the above
28.An analog voltage in the range of 0 to V volts into be converted into 3-
bit digital output. It is divided into eight intervals. The top & the bottom
intervals are V/14 & the middle six intervals are V/7. The maximum
quantization error will be:
1. 0
2 . 3.
4. V
29. Frequency of oscillation of an AMV depends upon
1. RC values of the circuit
2. Collector load resistors
3. Transistor
4. Width of input pulse
30. Multivibrators can be used as:
1. Frequency dividers
2. Memory elements in computers
3. Square wave, saw tooth & pulse generators
4. All the above
31. The permeability of a diamagnetic material is
1. Zero
2. Less than 1
3. Equal to 1
4. More than 1
32. The potential barrier at a P - N junction is due to
1. Majority carriers
2. Minority carriers
3. Both majority and minority carriers
4. Fixed donor and acceptor ions
33. These self inductance of a circuit is defined as twice the work done
against the induced e.m.f. on establishing unit current in the coil. If the
current to be established in the coil is doubled, the work done against
the induced e.m.f. will be
1. Doubled
2. Halved
3. four times
4. Quarter times
34. The drift velocity of free electrons in a conducting wire carrying a
current I is V. If in a wire of the same metal, but of double the radius,
the current be 21, then the drift velocity of electrons will be
1. V
2. 3. 4. 4V
35. A commercial power supply has a voltage regulation of
1. 1% 2.5% 3.20% 4.50%
36. In a bridge rectifier
1. PIV has a value Vm
2. Centre tap of secondary is not required
3. Smaller transformer can be used
4. All
37. In an R-2R ladder D/A converter, the input resistance is
1. Not same for all digital inputs
2. R for each input
3. 2R for each input
4. 3R for each input
38. The speed of a D.C. motor can be controlled by varying
1. Its flux per pole
2. Resistance of armature circuit
3. Applied voltage
4. All of the above
39. The chief advantage of Ward-Leonard system D.C. motor speed
control is that is
1. Can be used even for small motors
2. has high overall efficiency at all speeds
3. Gives smooth, sensitive and wide speed control
4. Uses a flywheel to reduce fluctuations in power demand
40. A transformer transforms
1. Frequency
2. Voltage
3. Current
4. Voltage and current
41. Which of the following is not a basic element of a transformer ?
1. Core
2. Primary winding
3. Secondary winding
4. Mutual flux
42. The slight curvature at the lower end of the O.C.C. of a self-excited
dc generator is due to
1. residual pole flux 2. high armature speed
3.magnetic inertia 4. high field circuit resistan
43. for the voltage built-up a self-excited D.C. generator, which of the
following is not an essential condition.
1.there must be some residual flux
2.field winding mmf must aid the residual flux
3.total field circuit resistance must be less than t critical value
4.armature speed must be very high
44.The Intel 8212 is an - non programmable I/O port
1. 4 - bit 2. 8 - bit 3. 16 - bit 4. 32 – bit
45.. The terms 'soft sectored' and 'hard sectored' are used in connection
with
1. μP 2. RAM
3. ROM 4. Floppy disk
46.In temperature monitoring system - transducers are used
1. 2 2. 3 3.4 4. 6
47.Today most computers use-technology for their operation
1. Germanium 2. Silicon
3. Gallium - Arsenide 4. Gallium - telluride
48.In a multivibrator
1.feedback between two stages is 100%
2.positive feedback is employed
3.when one transistor is on, the other is off
4.all
49.An OP-AMP can be classified as
1.Linear amplifier
2.Low - Rin amplifier
3.Positive - feedback amplifier
4.RC - coupled amplifier
50.Amplification factor of a circuit is 50. For oscillator is feedback
factor should be
1.50 2.100 3. 4. 51. Positive feedback is used in
1. Amplifier 2. Rectifier 3.Oscillator 4. Detector
52. Darlington pair
1.is a three terminal device with very high current gain
2.has a very high input impedance
3.has a very low output
4.all the above are true
53.Which of the following has got a positive susceptibility
1.Diamagnetic
2.Paramagnetic
3.Ferromagnetic
4.both Paramagnetic & ferromagnetic
54. In a tunnel diode, electrons can tunnel through the P-N junction
mainly because
1.impurity level is low
2.they have high energy
3.barrier potential is very low
4.depletion layer is extremely thin
55.Most of the transistors are NPN type and not PNP type because
1.NPN transistor gives large voltage gain
2.NPN transistors are more negative than PNP transistors
3.In NPN transistor, the current conduction is by free electrons which are less
obiles than holes
4.We can have high conduction is NPN transistors
56. In a transistor
1.Emitter is heavily doped while the collector moderately doped
2.Collector base junction is forward biased
3.Emitter is made wider than collector
4.The input resistance is much larger than outp resistance
57. If the instantaneous current in a ckt is given I=2 cos ( ) amperes,
the r.m.s. value of t current is
1. 2 amp
2. √ 2 amp
3. 2 √ 2 amp
4. Zero amp
58. In an A.C. ckt, voltage and current are given V = 100 sin (lOOt) volts
i = 100 sin (10t+ ) mA. The power dissipated in the ckt is
1. 104 watts 2. 10 watts
3. 2.5 watts 4. 5 watts
59.A 0.05 H-F capacitor charges through a resistor and is discharged
through a resistor 20K £2. The time constant of the circuit is
1.the same both during charging and discharging
2.larger during charging process
3.larger during discharging process
4.none
60.The basic element of radio communica1' system which generates
radio waves is
1. micro phone 2. transmitter
3.transmitting antenna 4. Loudspeaker
61.The input frequency of a bridge rectifier is 50 its output frequency
will be
1. 25 Hz 2.50 Hz 3.75 Hz 4. 100 Hz
62.Which of the following voltage is used represent binary '1' in digital
circuits .
1.0 V 2. 15 V 3. +5 V 4. 25 V
63.Hexadecimal number system is used as a s hand language for
representing
1. decimal number 2. binary number
3.octal number 4. all the above
64.Logic state 0 in positive logic corresponds to
1. zero voltage 2. positive voltage
3.higher voltage level 4. lower voltage level
65.The o/p of a 2 - input OR gate is 1 when its
1. both inputs are 1 2. both inputs are 0
3.either input is 1 4. either input is 0
66.TTL logic family is most popularly used industries because it
1.provides greater operating speed
2.has a good fan in & fan out
3.has easy interface with other digital circuitry
4.all the above
67.Transformer cores are laminated in order to
1.simplify its construction
2.minimise eddy current loss
3.reduce cost
4.reduce hysteresis loss
68.The external characteristic of a shunt generator can be obtained directly
from its – characteristic
1. internal 2. open-circuit
3. load-saturation 4. Performance
69.Load saturation characteristic of a d.c. generator gives relation between
1.V and Ia 2. E and Ia 3. E0 and If 4. V and If
70.The voltage built-up process of a d.c. generator is
1. difficult 2. delayed 3. cumulative 4. Infinite
71.The biggest advantage of T-T connection over the V-V connection of 3-phase
power transformation is that it provides.
1.a set of balanced voltages under load
2.a true 3-phase, 4-wire system
3.a higher ratio of utilization
4.more voltages
72.U.H.F. band covers the range of
1. 0-300 KHz 2. 3-30 MHz
3. 300-3000 KHz 4. 300 MHz - 3 GHz
73.The ripple factor of a bridge rectifier is
1.0.48 2.0.812 3. 1.11 4. 1.21
74. The higher level language is/are
1. Machine language 2.BASIC 3.Assembly language 4. PASCAL
75. The high level language can be translated into machine language with the
help of
1. Assembler 2. Stack pointer
3. Compiler 4. Multiplexer
76.In the emitter characteristic of UJT, the negative resistance portion.
1.lies in the cut-off region
2.continues up to peak point
3.lasts until the valley point is reached
4.does not exist
77. After firing as SCR, the gating pulse is removed. The current in the SCR
will
1. remain the same 2. immediately fall to zero 3. rise up 4. None
78.When reverse bias is applied to a junction diode, it
1.increases the potential barrier
2.decreases the potential barrier
3.greatly increases the minority carrier current
4.greatly increases the majority carrier current
79.Transformer cores are laminated in order to
1.simplify its construction
2.minimise eddy current loss
3.reduce cost
4.reduce hysteresis loss
80. When a P - N junction is forward biased
1.only electrons in N-region are injected into P-region
2.only holes in P-region are injected into N-region
3.majority carriers in each region are injected into the other region
4.minority current is reduced to zero
Answers
1.4 2.2,4 3.2 4.4
5.1 6.4 7.3 8.1,3 9.1 10.2 11.4 12.3 13.4 14.1 15.3 16.2 17.4 18.1 19.1 20.2
21.2 22.1 23.4 24.1 25.1 26.3 27.1 28.3 29.1 30.4 31.2 32.4 33.3 34.2 35.1 36.4
37.4 38.4 39.3 40.4 41.4 42.3 43.4 44.2 45.4 46.1 47.2 48.4 49.2 50.3 51.3 52.4
53.4 54.4 55.4 56.1 57.2 58.3 59.2 60.2 61.4 62.3 63.2 64.4 65.3 66.2 67.2 68.2
69.4 70.3 71.2 72.4 73.1 74.2,4 75.3 76.3 77.1 78.1 79.2 80.3

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Answered By StudyChaCha Member