What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘−’ are interchanged and ‘×’ and ‘÷’ are interchanged?
19 + 55 × 5 − 7 ÷ 3 =?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2, i.e., 29.
After interchanging signs,
= 19 - (55 ÷ 5) + 7 × 3
= 19 - 11 + 21
= 8 + 21
= 29