Question
(749.98% of 639.897) ÷ 23.97 = ?2 - 279.98%
of 19.99 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, (749.98% of 639.897) ÷ 23.97 = ?2 - 279.98% of 19.99 ?2 - 280 × 20% ~ (750% × 640) ÷ 24 ?2 - 280 × (1/5) ~ (75 × 64) ÷ 24 ?2 – 56 ~ 200 ?2 ~ 200 + 56 ~ 256 ? ~ √256 ? ~ 16
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