What will come in the place of question mark (?) in the following equation, if '+' and '×' are interchanged and '' and '' are interchanged?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 24.
= (123 41) + 14 × 2 - 7
= 3 + 28 - 7
= 31 - 7
= 24