Question
(? + 6.063.03 ) ÷ 10.08 + 21.89 × 6.97 =
1979.97 ÷ 10.96 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.)ÂSolution
ATQ, (? + 6.063.03 ) ÷ 10.08 + 21.89 × 6.97 = 1979.97 ÷ 10.96 (? + 63 ) ÷ 10 + 22 × 7 ~ 1980 ÷ 11 (? + 63 ) ÷ 10 + 154 ~ 180 (? + 63 ) ÷ 10 ~ 180 – 154 (? + 216) ~ 26 × 10 ? ~ 260 – 216 ? ~ 44
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