Question
? = (5.8)2 + (8.9)2 + (4.7)
2 + 24.7% of 20 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, ? = (5.8)2 + (8.9)2 + (4.7)2 + 24.7% of 20 ? ~ 62 + 92 + 52 + 25% of 20 ? ~ 36 + 81 + 25 + 0.25 X 20 ? ~ 142 + 5 ~ 147
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