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Old August 1st, 2015, 01:46 PM
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Join Date: Jun 2013
Default Re: Tricks to Solve SBI PO Exam

As you want I am here giving you tricks to solve reasoning problems of SBI PO exam paper

Reasoning Problem Solving tricks:
Symbol Substitution
Example : 42% (9-2) + 6 x 3 - 4

Solution :
42 % (9-2) + 6 x 3 - 4
= 42 % 7 + 6 x 3 - 4
= 6 + 6 x 3 - 4
= 6 + 18 - 4
= 24 - 4 = 20

Mathematical Logic
Example : If % stands for greater than, x stands for addition, + stands for division, - stands for equal to, > stands for multiplication, = stands for less than, < stands for minus, then which of the following alternatives is correct ?
3 + 2 < 4 % 6 > 3 x 2
3 x 2 < 4 % 6 + 3 < 2
3 > 2 < 4 - 6 x 3 x 2
3 x 2 x 4 = 6 + 3 < 2

Interchange of Signs & Numbers

Example : Select the correct set of symbols which will fit in the given equation 5 0 3 5 = 20
x, x, x
=, +, x
x, +, x
+, -, x

Solution : Using the set of symbols given in options, you will get the Option 2 as the correct answer.
Using the set of symbols given in option 2, you will get the equation,

5-0+3x5 = 20
Using BODMAS rule you will get,
5-0+15=20 or 20-0 = 20 which is correct

1. '<' means subtraction, '>' means Addition, '+' means Multiplication and '$' means Division. Then what will be the value of 27 > 81 $ 9 < 6 ?
Solution :
27+81%9-6 = 27+9-6 = 36-6 = 30

2. If % means +, - means x, x means -, + means %, then what will be the value of 15 - 2 % 900 + 90 x 100 ?
Solution :
15x2+900%90-100 = 30 + 10 - 100 = -60

3. Q means Addition, J means Multiplication, T means Subtraction, K means Division then what is the value of 30K2Q3J6T5 ?
Solution :
3%2+3x6-5 = 15 + 18 - 5 = 28

4. P means x, R means +, T means %, S means -, then what will be the value of 18T3P9S8R6 ?
Solution :
By substituting the given symbols, you will get the answer 52

5. P means Multiplication, T means Subtraction, M means Addition, B means Division then what will be the value of 28B7P8T6M4 ?
Solution :
28 % 7 x8 - 6 + 4
= 4 x 8 - 6 + 4
= 32 - 6 + 4
= 36 - 6 = 30

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