Mathematics Mcqs

A swimming bath is 24 m long and 15 m broad. When a number of men drive into the bath. The height of water rises by 1cm. If the average volume of water displaced by each man be 0.1m3 how many mean are there in the both?

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A swimming bath is 24 m long and 15 m broad. When a number of men drive into the bath. The height of water rises by 1cm. If the average volume of water displaced by each man be 0.1m3 how many mean are there in the both?

A. 32
B. 36
C. 42
D. 46

The water in a rectangular reservoir having a base 80m by 60m is 6.5m deep.In what time can the water be amplified by a pipe of which the cross section is a square of a side 20cm if the water runs through the pipe at the rate of 15km per hour?

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The water in a rectangular reservoir having a base 80m by 60m is 6.5m deep.In what time can the water be amplified by a pipe of which the cross section is a square of a side 20cm if the water runs through the pipe at the rate of 15km per hour?

A. 26hours
B. 42hours
C. 52hours
D. 65hours

A rectangular water tank is open at the top. Its capacity is 24Cu.m.It’s length and breadth are 4m and 3m respectively. Ignoring the thickness of the material used for building the tank the total cost of painting the inner and outer surface of the tank at Rs. 10 per Sq.m is_________?

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A rectangular water tank is open at the top. Its capacity is 24Cu.m.It’s length and breadth are 4m and 3m respectively. Ignoring the thickness of the material used for building the tank the total cost of painting the inner and outer surface of the tank at Rs. 10 per Sq.m is_________?

A. Rs.400
B. Rs.500
C. Rs.600
D. Rs.800