Mathematical Reasoning Questions and Answers
Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
65 * 45 * 25 * 5 * 35 * 60
(A) −, +, −, +, =
(B) +, ×, +, −, =
(C) +, −, +, −, =
(D) −, +, ÷, +, =
Correct Answer : D
After interchanging the given two numbers and two signs what will be the values of equation (I) and (II) respectively?
+ and ×, 5 and 4
I. 4 + 6 × 5 – 7 ÷ 1
II. 5 × 3 – 4 + 8 ÷ 2
(A) –9, –8
(B) 30, –13
(C) 20, 6
(D) 27, –13
Correct Answer : D
Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
11 * 7 * 345 * 5 * 31 = 115
(A) + × ÷ −
(B) × + ÷ −
(C) ÷ × + −
(D) ÷ − + ×
Correct Answer : B
Select the correct combination of mathematical signs to replace the * signs and balance the given equation.
66 * 6 * 12 * 3 * 15 = 12
(A) ÷, −, ×, +
(B) +, −, ÷, ×
(C) ÷, ×, +, −
(D) ×, −, ÷, +
Correct Answer : B
By interchanging the given two signs and numbers which of the following equation will be correct?
+ and ×, 1 and 2
(A) 8 × 3 – 4 ÷ 2 + 1 = 7
(B) 2 × 3 – 8 ÷ 1 + 9 = 18
(C) 8 × 3 – 4 ÷ 2 + 1 = 3
(D) 2 × 3 – 8 ÷ 1 + 2 = 5
Correct Answer : C
By interchanging the given two signs and numbers which of the following equation will be correct?
– and +, 6 and 3
(A) 7 – 3 × 2 ÷ 6 + 4 = 17
(B) 8 × 3 – 6 + 4 ÷ 2 = 49
(C) 7 + 6 ÷ 3 × 8 – 5 = 35
(D) 9 – 6 × 4 + 3 × 7 = 8
Correct Answer : B
Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
25 * 4 * 6 * 2 * 17
(A) −, +, ×, =
(B) +, −, =, +
(C) +, −, ÷, =
(D) +, −, ×, =
Correct Answer : D
Which of the following interchange of mathematical signs would make the given equation correct?
20 ÷ 4 × 8 + 16 − 15 = 11
(A) −, ÷
(B) +, −
(C) ×, ÷
(D) +, ×
Correct Answer : C
Select the correct combination of mathematical signs to replace the * signs sequentially and balance the given equation.
99 * 33 * 66 * 22 * 44 * 50
(A) ÷, +, ×, +, =
(B) +, −, ÷, −, =
(C) ÷, +, ÷, +, =
(D) ÷, −, +, ×, =
Correct Answer : C
By interchanging the given two signs and numbers which of the following equation will be correct?
× and +, 9 and 6
(A) 7 × 6 ÷ 3 + 9 – 8 = 17
(B) 6 × 8 – 9 ÷ 3 + 5 = 50
(C) 7 + 6 × 4 ÷ 9 – 8 = 8
(D) 9 × 7 + 4 ÷ 1 – 6 = 7
Correct Answer : A