Mathematical reasoning questions with answers for Competitive Exams

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Mathematical Reasoning
Which of the following symbols should be inserted in place of question mark (?) respectively (in the same order from left to right) in order to complete the given expression in such a manner that ‘U > S’, ‘Q < T’ and ‘S ≤ N’ definitely holds true?
U > T ? D ≥ S ? Q ? N
(A) >, >, <
(B) >, =, <
(C) ≥, =, ≤
(D) >, =, ≤
(E) >, =, ≤
Correct Answer : E
Which of the following symbols should be placed in the blank space in order to complete the given expression in such a manner that ‘X > I’ definitely true?
A = R ≥ I ? T = N ≤ M = X
(A) ≥
(B) =
(C) <
(D) >
(E) ≤
Correct Answer : C
Which of the following symbols should be placed in the blank spaces respectively (in the same order from left to right) in order to complete the given expression in such a manner that “D < A” definitely holds True?
A __ B __ C __ D
(A) >, ≥, <
(B) ≤,
(C) ≥, =, <
(D) ≥, =, >
(E) None of these
Correct Answer : C
Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
21 * 3 * 36 * 2 * 23 = 68
(A) ÷ − × +
(B) ÷ × + −
(C) + × − ÷
(D) × − ÷ +
Correct Answer : D
If + means −, − means ×, × means ÷, and ÷ means +, what will be the value of the following expression?
5 ÷ 5 + 5 – 10 × 10 = ?
(A) 15
(B) 4
(C) 5
(D) 10
Correct Answer : C
By interchanging the given two signs and numbers which of the following equation will be correct?
+ and –, 7 and 6
(A) 4 × 7 + 6 – 3 ÷ 1 = 20
(B) 8 × 7 + 5 ÷ 1 – 6 = 17
(C) 7 – 6 × 3 + 4 ÷ 1 = 8
(D) 7 × 2 – 6 + 4 ÷ 2 = 13
Correct Answer : A
Select the correct combination of mathematical signs to sequentially replace the # signs and to balance the given equation.
[{(44 # 38) # (2 # 5)} # (4 # 2)] # 5 # 10
(A) ×, ÷, ×, ×, −, +, =
(B) ×, ̶ , +, ×, ÷, ×, =
(C) ̶ , +, ×, ×, ÷, ×, =
(D) ̶ , +, ×, ÷, ×, ×, =
Correct Answer : D
Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
25 * 2 * 220 * 11 * 43
(A) +, −, ×, =
(B) +, −, ÷, =
(C) +, +, ÷, =
(D) −, +, ÷, =
Correct Answer : D
By Interchanging the given two numbers which of the following equation will be correct?
1 and 7
(A) 7 × 2 + 1 – 5 = 6
(B) 1 × 2 – 7 + 8 ÷ 2 = 16
(C) 7 + 1 × 2 – 6 ÷ 3 = 13
(D) 7 + 6 ÷ 3 – 5 × 1 = – 10
Correct Answer : D
If ‘+’ means ‘÷’, ‘ ̶ ’ means ‘+’, ‘×’ means ‘ ̶ ’ and ‘÷’ means ‘×’, what will be the value of the following expression?
[{(32 × 20) - (2 ÷ 3)} + (2 - 4)] ÷ 3
(A) 8
(B) 10
(C) 9
(D) 6
Correct Answer : C