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.Management Sciences
Category: Mathematics Mcqs
A alone can finish a work in 10 days and B alone can do it in 15 days. If they work together and finish, then out of a total wages of Rs.75. A will get:___________?
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A. 35 Rs.
B. 40 Rs.
C. 45 Rs.
D. None of these
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A cricketer has a certain average for 10 innings. In the eleventh inning, he scored 108 runs, there by increasing his average by 6 runs. His new average is_____________?
A. 48 runs
B. 52 runs
C. 55 runs
D. 60 runs
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Pipes A and B can fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in?
A. 1 13/17 hours
B. 2 8/11 hours
C. 3 9/17 hours
D. 4 1/2 hours
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The H.C.F of two numbers is 8. Which of the following can never be their L.C.M?
A. 24
B. 48
C. 56
D. 60
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A tank is filled in eight hours by three pipes A, B and C. Pipe A is twice as fast as pipe B, and B is twice as fast as C. How much time will pipe B alone take to fill the tank?
A. 24 hours
B. 28 hours
C. 32 hours
D. 36 hours
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