30 men can complete a piece of work in 11 days. 15 men started the same work and worked for 8 days, and then joined by ‘x’ more men such that the remaining work is completed in 6 days. Find the value of ‘x’.
According to the question, 30 × 11 = 15 × 8 + (15 + x) × 6 Or, 15 + x = (330 – 120) ÷ 6 Or, 15 + x = 35 Or, x = 20
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