Question
(18.31)2 – (13.68)2 +
(2344.20 + 82.32) ÷ ? = 229.90 What approximate value will come in place of question mark (?) in the given equations?Solution
(18)2 – (14)2 + (2344 + 82) ÷ ? = 230 324 – 196 + 2426 ÷ ? = 230 128 + 2426/? = 230 2426/? = 102 ? = 23.78 ≈ 24
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