What will come in place of ‘?’ in the following equation, if ‘+’ and ‘–‘ are interchanged and ‘×’ and ‘÷’ are interchanged?
313 ÷ 4 − 2107 × 7 + 24 = ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 1529
313 ÷ 4 − 2107 × 7 + 24 = ?
After interchanging signs,
= 313 × 4 + (2107 ÷ 7) - 24
= 1252 + 301 - 24
= 1553 - 24
= 1529