Question
Who has become the new Director General of Geological
Survey of India?Solution
The correct answer is B
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A can complete a work in 18 hours while B can complete it in 12 hours. If C is 80% more efficient than A and B together, then find the time taken by C a...
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‘P’ alone can do 60% of a work in 18 days and ‘Q’ alone can do 30% of the same work in 9 days. ‘P’, ‘Q’ and ‘R’ together can finish ...
