Question
63.95 – 21.12 – 24.89 + 6.04 = 3.98 × ? +
3.88 What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)Solution
ATQ, 63.95 – 21.12 – 24.89 + 6.04 = 3.98 × ? + 3.88 64 – 21 – 25 + 6 ~ 4 × ? + 4 24 ~ 4 × ? + 4 ? × 4 ~ 24 – 4 ? ~ 20 ÷ 4 ? ~ 5
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