Question
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’.Solution
According to the question, 30 × 11 = 15 × 8 + (15 + x) × 6 Or, 15 + x = (330 – 120) ÷ 6 Or, 15 + x = 35 Or, x = 20
A cone has a base radius of 6 cm and a height of 8 cm. Find its volume and slant height (use π = 3.14).
120Â Â 124Â Â 151Â Â 167Â Â Â 292Â Â Â ?
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