What will come in the place of ‘?’ in the following equation, if ‘+’ and ‘ב are interchanged and ‘−’ and ‘÷’ are interchanged?
41 × 1 + 390 − 10 ÷ 15 =?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 65.
Given equation: 41 × 1 + 390 − 10 ÷ 15 =?
On interchanging the signs:
41 + 1 × 390 ÷ 10 - 15 =?
? = 41 + 39 - 15
? = 80 - 15 = 65