Multiple choice

\text{What approximate value should come in place of question mark (?) in the following question?}\\text{421 } \div 35 \times 299.97 \div 25.05 = ?^2

  1. 22

  2. 24

  3. 28

  4. 12

  5. 18
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Approximate: 421 ÷ 35 ≈ 12, 299.97 ÷ 25.05 ≈ 12. So 12 × 12 = 144, which is 12². Exact calculation: 421 ÷ 35 = 12.028..., 299.97 ÷ 25.05 = 11.98..., product ≈ 144.1, whose square root is ≈ 12. Option D (12) is correct.

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