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What will come in the place of the question mark ‘(?)’ in the following equation, if ‘÷’ and‘×’ are interchanged and ‘+’ and ‘−’ are interchanged?69 −
Question

What will come in the place of the question mark ‘(?)’ in the following equation, if ‘÷’ and‘×’ are interchanged and ‘+’ and ‘−’ are interchanged?
69 − 2 ÷ 7 + 35 × 7 = ?​​​

A.

78

B.

79

C.

77

D.

80

Correct option is A

Given: 69 − 2 ÷ 7 + 35 × 7 = ?
Given Sign
÷
+
Interchanged Sign
×
-
Given equation is solve by BODMAS rule.
New equation: 69 + 2 × 7 - 35 ÷ 7 = ?
69 + 2 × 7 - 5 = ?
69 + 14 - 5 = ?
83 - 5 = ?
? = 78
Thus, correct option is (a).

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