What will come in place of the question mark (?) in the following equation if ‘+’ means ‘×’, ‘−’ means ‘÷’, ‘×’ means ‘+’ and ‘÷’ means ‘−’?
(18 + 10 × 20) − 8 ÷ 6 = ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 19.
Given equation: (18 + 10 × 20) − 8 ÷ 6 = ?
On replacing the signs:
(18 × 10 + 20) ÷ 8 - 6 = ?
? = 200 ÷ 8 - 6
? = 25 - 6 = 19