Mathematical Reasoning Questions with Answers for Competitive Exams
836 - 246 # 82 + 66 - 234 # 13 = 881
# is equivalent to?
(A) +
(B) *
(C) /
(D) _
Correct Answer : C
By interchanging the given two signs and numbers which of the following equation will be correct?
× and +, 6 and 4
(A) 3 × 9 – 4 ÷ 2 + 6 = 8
(B) 8 × 6 + 4 ÷ 2 – 5 = –5
(C) 8 – 3 × 6 + 4 ÷ 1 = 18
(D) 7 × 6 – 4 + 9 ÷ 3 = –7
Correct Answer : D
Which of the following interchange of numbers and mathematical signs would make the given equation correct?
72 ÷ 8 × 9 − 36 + 20 = 80
(A) 20 and 80, × and +
(B) 9 and 36, × and ÷
(C) 36 and 72, ÷ and −
(D) 8 and 9, + and −
Correct Answer : D
By interchanging the given two signs and numbers which of the following equation will be correct?
+ and –, 7 and 3
(A) 7 + 3 × 9 – 8 ÷ 2 = 30
(B) 9 × 7 + 3 – 4 ÷ 2 = 18
(C) 3 × 4 ÷ 2 + 7 – 5 = 16
(D) 3 + 7 ÷ 1 – 4 × 2 = 16
Correct Answer : C
If + means −, − means ×, × means ÷, and ÷ means +, what will be the value of the following expression?
3 ÷ 6 + 3 – 4 × 4 = ?
(A) 8
(B) 5
(C) 6
(D) 4
Correct Answer : C