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.Management Sciences
Category: Mathematics Mcqs
Two pipes P and Q can fill a cistern in 12 and 15 minutes respectively. Both are opened together, but at the end of 3 minutes the first is turned off. How much longer will the cistern take to fill?
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A. 9 1/4 min
B. 11 1/4 min
C. 7 1/4 min
D. 8 1/2 min
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In digging a pond 20 m * 10 m * 5 m the volumes of the soil extracted will be_________?
A. 100 cu.m
B. 1000 cu.m
C. 10000 cu.m
D. 2000 cu.m
In order to obtain an income of Rs. 650 from 10% stock at Rs. ,96, one must make an investment of___________?
A. Rs. 3100
B. Rs. 6240
C. Rs. 6500
D. Rs. 9600
A circular path of 13 m radius has marginal walk 2 m wide all round it. Find the cost of leveling the walk at 25p per m2?
A. Rs.45
B. Rs.78
C. Rs.44
D. Rs.40
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Pipe A can fill a tank in 6 hours. Due to a leak at the bottom, it takes 9 hours for the pipe A to fill the tank. In what time can the leak alone empty the full tank?
A. 16 hours
B. 15 hours
C. 18 hours
D. 17 hours
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96% of the population of a village is 23040. The total population of the village is________?
A. 32256
B. 24000
C. 24936
D. 25640
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A man invests in a 16% stock at 128. The interest obtained by him is:____________?
A. 16%
B. 12.5%
C. 8%
D. 12%
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