By Interchanging the given two numbers which of the following equation will be not correct?
5 and 9
(A) 9 × 4 + 5 – 8 ÷ 2 = 25
(B) 9 – 5 × 4 + 6 ÷ 3 = –30
(C) 9 + 7 × 8 ÷ 4 – 5 = 10
(D) 9 – 4 × 5 + 6 ÷ 2 = –28
Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
23 * 2 * 2 * 5 * 18
(A) −, ÷, ×, =
(B) −, ÷, +, =
(C) −, ÷, =, +
(D) −, ×, ÷, =
Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
20 * 2 * 50 * 5 * 115
(A) −, ×, =, +
(B) +, ×, =, −
(C) +, ×, −, =
(D) −, ×, +, =
Which two signs and two numbers should be interchanged in the following equation to make it correct?
14 × 6 ÷ 12 + 15 − 9 = 203
(A) 15 , 6 , + , ÷
(B) 12 , 15 , − , ×
(C) 12 , 9 , ÷ , −
(D) 14 , 6 , ÷ , ×
If ÷ means −, − means ×, × means +, + means ÷, what will come in place of the question mark (?)?
77 ÷ 7 × 17 – 49 + 7 = ?
(A) 189
(B) 119
(C) 145
(D) 169
Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
268 * 4 * 8 * 5 * 14 = 41
(A) + × − ÷
(B) × ÷ + −
(C) ÷ × + −
(D) ÷ − × +
836 - 246 # 82 + 66 - 234 # 13 = 881
# is equivalent to?
(A) +
(B) *
(C) /
(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 −
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
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
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