Question
√? + √626 × 13.998 - 6.02 × 2.97 =
345.995 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, √? + √626 × 13.998 - 6.02 × 2.97 = 345.995 √? + √625 × 14 - 6 × 3 ~ 346 √? + 25 × 14 - 18 ~ 346 √? + 350 - 18 ~ 346 √? ~ 346 - 332 √? ~ 14 On squaring both sides, we get, ? ~ 196
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