Multiple choice

What approximate value will come in place of question mark (?) in the questions given below? (79.11\% \text{ of } 699 + 38.99 = ?)

  1. 600

  2. 660

  3. 570

  4. 500

  5. 470
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Approximating: 79.11% ≈ 80%, 699 ≈ 700. So 80% of 700 = 0.80 × 700 = 560. Then 560 + 38.99 ≈ 560 + 39 = 599, which is approximately 600. The exact calculation gives: 0.7911 × 699 + 38.99 ≈ 553.2 + 38.99 = 592.19, making 600 the closest option.

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