Multiple choice

What approximate value will come in place of the question mark (?) in the following questions ? (You are not expected to calculate exact value.) 88.25% of 450 = ?% of 530

  1. 70

  2. 68

  3. 75

  4. 80

  5. 65
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

First calculate 88.25% of 450: 88.25/100 × 450 = 0.8825 × 450 ≈ 0.88 × 450 = 396. Now find what percent 396 is of 530: 396/530 × 100 ≈ 396/5.3 ≈ 74.7%. Approximating: 0.88 × 450 = 396, then 396/530 × 100 = 39600/530 ≈ 75%. Option C is 75%, which is the closest approximation. The calculation shows 75% of 530 = 397.5, very close to 396.

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