What will come in the place of "?" in the following equation, if '+' and '-' and are interchanged and '×"and '÷' are interchanged?
53 ÷ 4 - 21 × 7 + 14 = ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 201.
Given equation: 53 ÷ 4 - 21 × 7 + 14 = ?
On interchanging the signs:
(53 × 4) + (21 ÷ 7) - 14 = ?
? = 212 + 3 - 14
? = 215 - 14 = 201