Basic Tricks to Solve Bank Clerical Questions

Provide me information about some basic tricks to solve question of bank clerical examination ??

Here I am giving you information about some basic tricks to solve question of bank clerical examination below ..

In written exam, the questions will be from
Reasoning
Numerical Ability
General Awareness
General English
Computer knowledge

You have to know complete syllabus and exam pattern for bank clerical examination .. now you have to give more concentration on important topics and make notes for it …

For general awareness you should regularly read news paper and read books of general knowledge. it will update you for examination ..

For numerical ability you have to learn basic formulas of mathematics.. it will helps you in examination to solving question easily.. it is also important that you have to learn time management in examination . do not give a lot of time for any particular question ..

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Answered By StudyChaCha Member

Bank Clerical exam aptitude exam questions are based ion the following topics.

Topics:
Problems on Numbers
Problems on Ages
Percentages
Permutations and Combinations
Practice Problems on Ratio and Proportion
Averages
Time and Work
Time & Work Practice Problems
Boats and Streams
Simple Interest
Compound Interest
Probability Shortcuts
Partnership
Number Series
Profit, Loss and Discount
Mixture and Allegation
Geometry
Data Interpretation

I am here giving you tricks to solve Problems on Ages.


1. The average age of Khan, Kapoor, Kumar, Bachhan and Roshan is 28 years. The average age of Bachhan and Roshan is 25 years. What is the average age of Khan, Kapoor and Kumar ?

Solution :

Here 5 persons' average ( Khan, Kapoor, Kumar, Bachhan and Roshan) age is = 28 Years.

That means their total age = 5 X 28 = 140 Years.

similarly, average age of two persons (Bachhan and Roshan) is 25 years.


So their total age = 25 X 2 = 50 Years.

here 140 years is the total age of 5 persons ( Khan, Kapoor, Kumar, Bachhan and Roshan)
50 years is the total age of 2 persons (Bachhan and Roshan)

So obviously, the total age of Khan, Kapoor and Kumar = Total age of ( Khan, Kapoor, Kumar, Bachhan and Roshan) - Total age of (Bachhan and Roshan)

= 140-50 = 90 years.

But here we need average age of these 3 persons.

=> 90/3 = 30 Years

Shortcut Method :

((5 X 28) - (2 X 25)) / 3 = (140-50)/ 3 = 90/3 = 30 Years


2. The ratio between the ages of Kareena and Sonam is 5:8 respectively and difference between their ages after 5 years will be 12 years. What is the present age of Kareena ?

Solution :
Usually for these type of questions people start with present age as X and adding 5 to get the ages after 5 years and later solve those equations. But its very time consuming.

A simple logic here is if the age difference between you and your friend is 8 years, after 5 or 10 years also the difference will be same. Hope you are getting what I am trying to say

now see, the ratio between their ages is 5 : 8

That means their actual ages will be some 5X and 8X

Then the difference between their ages is 5X-8X
in the question it is given that the difference is 12 years => 5X-8X = 12 => 3X=12 => X = 4

So obviously Kareena's age = 5(4) = 20

3. Abhi is 30 years younger than his mother Jaya. Five years ago, Abhi was 1/4 as old as his mother was. How old is Abhi today ?

Solution :

5 years ago the ratio between their ages was Abhi : Jay a= 1X : 4X

we know that Hari is 30 years younger than Jaya. That means the difference between their ages is 30.

=> 3X = 30 => X = 10.

But this is the age of 5 years ago. So, the present age will be =10+5 = 15 Years

4. At present the ratio of the ages of Anand and Milind is 4 : 7 respectively. 6 years hence it will be 7 : 10 respectively. What is the present age of Milind ?

Solution :

Present ratio of their ages is 4 : 7 (So their present ages will be 4X, 7X)

After six years it will be of 7 : 10

=> (4x+6) : (7x+6) = 7 : 10

=> 40x + 60 = 49X + 42 (Cross Multiplication)

=> 9x = 18

=> x = 2

So Milind's present age will be 7X2 = 14 Years

Shortcut :

There is a shortcut formula for finding X




here, New ratio difference is 3, Added number is 6 (years)
Cross multiplication difference is 49-40 = 9

=> X = (3 x 6) / 9 = 2



So Milind's present age will be 7X2 = 14 Years

5. Ten years ago the ratio between the ages of Mohan and Suman was 3:5 respectively. 11 years hence it will be 11:16 respectively. What is the present age of Mohan?

Solution :

10 years ago 3x : 5x -------------> Old Ratio

11 years hence 11x : 16x -------------> New Ratio

here the difference between ages is 21 years (10 years ago + 11 years hence)

apply above formula here

New ratio difference is (16-11) = 5

Added or substracted number (difference between ages) is = 21

Old and new ratios cross multiplication difference is = 55 - 48 = 7

==> X = (5 x 21) / 7 = 15

present age of mohan is = his age of 10 years ago + 10

= 3x15 + 10 = 55 years

6. Amar is as much younger than Raja as he is older than Kiran. If the ages of Amar and Raja are 30 years and 36 years respectively, what is the age of Kiran now ?

Solution :
Simple logic....
Amar is as much younger than Raja as he is older than Kiran. Try to understand this sentence. According to this sentence you can understand that
Amar is younger than Raja that means there is some X years difference between Amar and Raja.
Amar is older than Kiranwith same age difference (X years) between Amar and Kiran.

But we know that the ages of Amar and Raja are 30 and 36 years.

So the difference between their ages is = 6 years

So the difference between Amar and Kiran should be = 6 years.

We know the age of Amar as 30 years and Kiran is younger than Amar for 6 years. So he should be of 24 years.

With a single glance you can calculate answer for these type of problems.


7. The average age of a class of 20 students is 20 years. When the age of the teacher is also included, the average will be increased by 2 years. What is the age of the teacher ?

Solution :
Simple logic,
we know that 20 students' average = 20 years
20 people total age = 20 x 20 = 400 years

Including Teacher's

21 people average = 22 years

21 people total age = 21 x 22 = 462

we know the age of 20 students = 400 Yeras

we know the age of 21 people (20 students+ Teacher) = 462

so the age of Teacher will be 462-400 = 62 Years

8. The average age of a wife and husband, who were married 10 years ago, was 20 years then. Including a child the present average age of the family is 23 years. What is the present age of the child?

Solution :

10 year's ago average age = 20 years
10 year's ago total age = 20 x 2 = 40 years.

to calculate their present total age, you should add 20 (10 for wife and 10 for husband) to the age of 10 years ago

=> 40+20 = 60 years (this is the present age of husband and wife) ----------- (1)

according to the given data, present average age of the family of 3 members is = 23 years

so Total age of 3 members = 23 x 3 = 69 years. ------------------(2)

but we know the present age of Husband and Wife = 60 years

so from equations (1) and (2), we can get the present age of the child is = 9 years


9. Five years ago the average age of a family of five members was 27 years then. Including a child the present average age is still same today. What is the age of the child now ?

Solution :

5 years back average = 27 years

present average should be 5 +27 = 32 Years

So total age of the 5 members at present = 5 x 32 = 160 years -----------------(1)

but its given that including the child, the present average is 27 years.

=> the total age of 6 members at present = 6 x 27 = 162 years -----------------(2)

so from (1) and (2), you can easily get that the present age of the child is 2 years



10. The ratio between the ages of Karan and Arjun is 9:5 and sum of their ages at present is 56 years. How old will karan be after 4 years ?

Solution :

according to given data their ages should be 9x, 5x

their present age = 9x+5x = 56 ==> 14x = 56

so x = 4

so present age of Karan is 9 x 4 = 36 years

after 4 years, 36+4 = 40 years

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Answered By StudyChaCha Member