Question
12 % of 72 × 25 – (x ÷ 20) × (16 ÷ 24) × 36 + 1/5
× x = (4 ÷ 12) × 36 ÷ 1/4 What should come in place of (x) in the following equatiion ?Solution
12/100 × 72 × 25 -× x/20 × 16/24 × 36 + 1/5 × x = 4/12 × 36 ÷ 1/4 216 - (6 x)/5 + x/5 = 12 × 4 216 – 48 = (6 x)/5 -  x/5 168 = (5 x)/5 ∴x = 168
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