What will come in place of the question mark (?) in the following equation, if ‘+’ and ‘–’ are interchanged and ‘×’ and ‘÷’ are interchanged?
4515 × 5 – 431 ÷ 3 + 821 = ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 1375.
After interchanging the signs,
(4515 ÷ 5) + 431 × 3 - 821 = ?
903 + (431 × 3) - 821 = ?
(903 + 1293) - 821= ?
2196 - 821 = ?
1375 = ?