Question
What will come in place of (?), in the given expression.
(81 ÷ 9) + (121 ÷ 11) + (64 ÷ 8) = ?Solution
ATQ,
√81 ÷ 9 = 9
121 ÷ 11 = 11
64 ÷ 8 = 8
⇒ 9 + 11 + 8 = 28
Total mechanical energy =
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