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Q : 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
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) −, +, ÷, =
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
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) × − ÷ +
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) ≤
By Interchanging the given two numbers which of the following equation will be not correct?
3 and 4
(A) 3 + 5 × 4 – 6 ÷ 2 = 16
(B) 4 × 6 – 3 + 9 ÷ 1 = 25
(C) 3 × 7 – 8 ÷ 2 + 4 = 27
(D) 9 × 3 ÷ 6 + 4 – 8 = 1
If + means −, − means ×, × means ÷, and ÷ means +, what will be the value of the following expression?
45 × 9 ÷ 12 – 5 + 3
(A) 34
(B) 27
(C) 36
(D) 62
By interchanging the given two signs which of the following equation will be correct?
× and +
(A) 7 × 8 ÷ 9 + 18 – 11 = 16
(B) 24 – 8 – 5 × 5 + 3 = 14
(C) 5 × 10 – 15 + 20 ÷ 25 = 8
(D) 24 × 8 + 6 ÷ 3 – 18 = 22
By interchanging the given two signs and numbers which of the following equation will be not correct?
× and ÷, 2 and 6
I. 7 – 4 × 3 ÷ 6 + 2 = 8
II. 6 – 8 × 2 + 9 ÷ 3 = 5
(A) Only II
(B) Neither I nor II
(C) Only I
(D) Both I and II
By interchanging the given two signs and numbers which of the following equation will be not correct?
÷ and ×, 1 and 3
(A) 6 ÷ 3 – 1 + 4 × 2 = 5
(B) 4 × 3 – 1 + 8 ÷ 2 = 9
(C) 5 – 8 × 3 + 9 ÷ 1 = 24
(D) 6 + 4 – 9 × 3 ÷ 1 = –17
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