Question
If cot 75° = 2 - √ 3. Find the value of cot
15°.Solution
The correct answer is B
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A alone can finish a piece of work in 10 days and B alone can finish it in 15 days. They work together for 3 days and the remaining work is finished by ...
A can do a work in 15 days and B in 10 days. They work together for 3 days. What fraction of the work is left?
A and B can complete a piece of work in 12 days and 15 days respectively. They start working together, but after 4 days, A leaves. In how many more days...
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