What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘ב are interchanged and ‘–’ and ‘÷’ are interchanged?
17 + 77 – 7 × 37 ÷ 47 = ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 177.
Given equation: 17 + 77 – 7 × 37 ÷ 47 = ?
On interchanging the signs:
17 × 77 ÷ 7 + 37 - 47 = ?
? = 187 + 37 - 47
? = 224 - 47 = 177