What will come in place of question mark (?) in the following equation if ‘+’ and ‘×’ are interchanged and ‘-’ and ‘÷’ are interchanged?
14 - 7 × 10 ÷ 1 + 7 = ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e 5.
14 - 7 × 10 ÷ 1 + 7 = ?
After interchangeing signs,
= (14 ÷ 7) + 10 - (1 × 7)
= 2 + 10 - 7
= 12 - 7
= 5