Question
20.5 × 36 + 24 × 8 + ?2 =
1954 What will come in the place of question mark (?) in the given expression?Solution
ATQ, 20.5 × 36 + 24 × 8 + ?2 = 1954 ?2 + 20 × 36 + 0.5 × 36 + 192 = 1954 ?2 + 930 = 1954 ?2 = 1024 ? = ±32
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