Multiple choice

What approximate value will come in place of question mark (?) in the questions given below?(59.99\% \text{ of } 155 + 22.98\% \text{ of } 72.005 = ?)

  1. 110

  2. 150

  3. 130

  4. 90

  5. 120
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A Correct answer
Explanation

Approximate: 59.99% ≈ 60%, 22.98% ≈ 23%. Calculate 60% of 155 = 0.60 × 155 = 93, and 23% of 72 ≈ 0.23 × 72 = 16.56. Adding: 93 + 16.56 ≈ 109.56, which rounds to 110. The approximation method saves time on complex calculations.

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