What will come in the place of the question mark (?) in the following equation, if ‘+’ and ‘ב are interchanged and ‘−’ and ‘÷’ are interchanged?
28 − 4 × 12 ÷ 5 + 3 =?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2, i.e., 4.
After interchanging signs,
= 28 ÷ 4 + 12 - 5 × 3
= 7 + 12 - 15
= 19 - 15
= 4