Question
56 ÷ 14 × 4 – 316 + ? 2 = 100
What will come in the place of (?) mark in following questions?Solution
56 ÷ 14 × 4 – 316 + ? 2  = 100 ⇒ 4 × 4 – 316 + ?2 = 100 ⇒ 16 – 316 + ?2 = 100 ⇒ ?2 = 100 + 316 – 16 ⇒ ?2 = 416 – 16 ⇒ ?2 = 400 ⇒ ? = 20 ∴ The value of ? is 20
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