Multiple choice

What approximate value should come in place of question mark. ( {69.99\% \text{ of } (4 / 5) + 60.05\% \text{ of } (3 / 5) } \times 10.91 + ? = 12.05

  1. 3

  2. 2

  3. 8

  4. 9

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

Approximating: 69.99% ≈ 70% = 0.7, 60.05% ≈ 60% = 0.6. So (0.7 × 4/5 + 0.6 × 3/5) × 11 = (0.56 + 0.36) × 11 = 0.92 × 11 = 10.12. Then 10.12 + ? = 12, so ? = 1.88 ≈ 2. The calculation confirms option B is correct.

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