Question
(7.992/√?) + √16/? =
14.032/? What approximation value should come in the place of question (?) mark?Solution
(7.992/√?) + √16/? = 14.032/? => 82/√? + 4/? = 142/? => 64/√? = 196/? - 4/? => 64/√? = 192/? => √? = 192/64 => ? = 9
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