What value should come in the place of the question mark (?) in the following question
(31 × 11 + 77 × 11 + 12 × 11) ÷ (112 - √841 + 28) = ?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. 11.
(31 × 11 + 77 × 11 + 12 × 11) ÷ (112 - √841 + 28)
= 11(31 + 77 + 12) ÷ (112 - 29 + 28)
= (11 × 120) ÷ 111
= 11.89
≈ 11