Question
√30625.11 × √ 783.9 – (20.02)2
=? × 4.95 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
175 x 28 – 400 = ? × 5 4900 – 400 =? × 5 ? = 900
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