Question
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.) 31.08 × √? = 6207.3 ÷ 10.03Solution
ATQ,
31.08 × √? = 6207.3 ÷ 10.03
31 × √? ~ 6207 ÷ 10
31 × √? ~ 621
√? ~ 20
? ~ 400
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