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# Logical Reasoning

## Questions and answers on Mathematical reasoning

### Mathematical reasoning

1.

If × = ‘addition’ ,÷ = ‘subtraction’ , + = ‘multiplication’ and - = ‘division’, then 11× 6÷ 4– 7+5 = ?

 A. 21.8 B. 14.15 C. 12.5 D. 78
2. If we replace – with × , × with + , + with ÷ and ÷ with – , then find the value of 80 × 15 + 5 – 9 ÷ 3?
 A. 109 B. 108 C. 104 D. 101
3.

If + changes to ÷ , × changes to - , ÷ changes to × and - changes to + , then find the value of
9 + 7 × 3 ÷ 5 – 2?

 A. -15.71 B. -15.5 C. -13 D. 15.71
4.

If × = ÷ , - = × , ÷ = + and + = – , then find the value of (3 –15 ÷19) × 8 + 6 = ?

 A. 1 B. 2 C. 3 D. 4
5.  If + replaces × , ÷ replaces - , × replaces ÷ and - replaces + , what will be the value of 5 + 13 ÷ 3 – 36?
 A. 19 B. 92 C. 98 D. 103
6.  If + replaces - , - replaces × , × replaces ÷ and ÷ replaces + , then find the 15 × 3 ÷ 15 + 5 –2 ?
 A. 19 B. 12 C. 18 D. 10
7.

If ÷ replaces + , - replaces ÷ , × replaces - and + replaces × , then ((26 × 4)- 6 × 4) / (4 + 8 × 2 + 16 ÷ 1) = ?

 A. -0.333 B. -0.888 C. -0.111 D. -0.777
8.

If P means ÷ , Q means × , R means + and S means - , then find the value of 14 Q 16 P 4 R 5 S 6 ?

 A. 23 B. 54 C. 78 D. 55
9.

If a stands for ‘add’ ,  b stands for ‘subtract’ ,  c stands for ‘divide’ and  d stands for  ‘multiply’ , then calculate the value of (8 d 3) b 6 a 5 ?

 A. 23 B. 14 C. 13 D. 55
10.

If L means × , M means ÷ , P means + and Q means - , then what is the value of  14 P 24 M 8 Q 6 M 2 L 2?

 A. 23 B. 14 C. 13 D. 55
11.

If × means  ‘addition’ , - means  ‘division’ , ÷ means  ‘subtraction’  and + means  ‘multiplication’ , then which of the following equations is correct?

 A. 18 × 5 ÷ 10 + 4 - 3  =  19 B. 18 + 5 ÷ 10 × 4 - 3  =  9 C. 18 + 5 - 10  × 4 ÷ 3  =  10 D. 18 - 5 × 10 ÷ 4 + 3  =  12
12.

If + means ‘division’ , × means ‘addition’ , - means ‘multiplication’  and ÷ means ‘subtraction’ , then which of the following equations is correct?

 A. 21 × 6 + 7 ÷ 2 - 6  =  20 B. 21 ÷ 6 + 3 × 5 - 4 =  45 C. 21 + 6 - 3 × 5 ÷ 5 =  24 D. 21 - 6 + 3 × 5 ÷ 6 =  41
13.

If interchanges are: Signs + and - and numbers 4 and 8.
Which of the given options is correct?

 A. 4 ÷ 8 - 12 = 16 B. 4 - 8 + 12 = 0 C. 8 ÷ 4 - 12 = 24 D. 8 - 4 ÷ 12 = 8
14.

If  interchanges are -> Signs  -  and  ÷  and numbers 3 and 7.
Which of the following options is correct?

 A. 6 - 7 ÷ 3 = -1 B. 7 - 6 ÷ 3 = 5 C. 3 ÷ 7 - 2 = 6 D. 3 - 7 ÷ 6 = 2
15.

To get 4 × 3 + 6 - 12 ÷ 3 = 18 which of the following options is correct?

 A. × and + B. + and - C. + and ÷ D. - and ÷
16.

To get 14 ÷ 2 - 6 ×  2 + 8  = 11, Which of the following options is correct?

 A. ÷ and + B. - and + C. × and + D. ÷ and ×
17.

To make the given equation right , what options has to be changed
Equation = (3 ÷ 4) + 2  =  2

 A. + and ÷  , 2 and 3 B. + and ÷  , 2 and 4 C. + and ÷  , 3 and 4 D. None
18.  6 × 6 –2 = 10
 A. × to ÷  , 2 and 4 B. - to ÷  , 2 and 6 C. - to + , 2 and 6 D. None
19.  (18 ÷ 2) × 3 = 4
 A. × and ÷  , 2 and 3 B. - to ÷  , 2 and 6 C. - to + , 2 and 6 D. × to - , 2 and 3
20.  If we inter + and × find the value of 8 × 4 + 2 - 8 ?
 A. 4 B. 1 C. 8 D. 10