Multiple choice

What approximate value will come in place of question mark (?) in the question given below? 39.8% of 500 + ?% of 450 = 430

  1. 45

  2. 50

  3. 41

  4. 54

  5. 58
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

First calculate 39.8% of 500 ≈ 40% of 500 = 200. Let x be the unknown percentage. Then 200 + (x/100) × 450 = 430. So (x/100) × 450 = 230, which means x = (230 × 100)/450 = 51.11...%. The approximate value is 50% (option B). This is a percentage calculation problem requiring algebraic setup.

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