Multiple choice

What approximate value will come in place of question mark (?) in the question given below?(187.325\%\ of\ 942-77.11\%\ of\ 1442 + 49.22\%\ of\ 42 = ?^2)

  1. 24

  2. 26

  3. 22

  4. 32

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Approximating: 187.325% ≈ 187%, 77.11% ≈ 77%, 49.22% ≈ 49%. Calculate: 1.87 × 942 ≈ 1764, 0.77 × 1442 ≈ 1110, 0.49 × 42 ≈ 21. So: 1764 - 1110 + 21 = 675. Therefore ?² ≈ 675, so ? ≈ √675 ≈ 26. Option B is correct.