Question
Sheikh Sabah Al Khalid was appointed as the Prime
Minister of which country?Solution
The correct answer is D
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A team leader can do a job as fast as three members of the team working together. If one of the member can do the job in 5 hrs, the second one takes 10 ...
X can do a piece of work in 20 days. He worked at it for 5 days and then Y finished it in 15 days. In how many days can X and Y together finish the work?
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