Mathematics MCQs

Page No. 20

The radius of a circular wheel is 17.5m. How many revolutions will it make in travelling 11km?


a10


b100


c1000


d10000


View Answer 1000

What is the diameter of a wheel that makes 113 revolution to go 2km 26 decametre?


a4 4/13 m


b6 4/11m


c12 4/11m


d12 8/11m


View Answer 6 4/11m

The area of the base of a rectangular tank is 6500Sq.cm and the volume of water containing in it is 2-6 cubic meters. The depth of the water in the tank is


a2.5m


b3m


c5.5m


d4m


View Answer 4m

A covered wooden box has the inner measure as 115cm 75cm and 35cm and the thickness of wood is 2.5cm. The volume of the wood is____________?


a81000 cu.cm


b81775 cu.cm


c82125 cu.cm


dNone of these


View Answer 82125 cu.cm

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_________?


aRs.400


bRs.500


cRs.600


dRs.800


View Answer Rs.800

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?


a26hours


b42hours


c52hours


d65hours


View Answer 52hours

A rectangular tank is 225 m by 162m at the base with what speed must water flow into it through an aperture 60cm by 45cm that the level may be raised 20cm in 5 hours?


a5000 m/hr


b5200m/hr


c5400 m/hr


d5600 m/hr


View Answer 5400 m/hr

A cuboidal water tank contains 216 liters is water. Its depth is 1/3 of its length and breadth is ½ of 1/3 of the difference between length and depth. The length of the tank?


a2dm


b6dm


c18dm


d72dm


View Answer 18dm

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?


a32


b36


c42


d46


View Answer 36

What part of a ditch 48m long 16.5 broad and 4m deep can be filled by the earth got by digging a cylindrical tunnel of diameter 4m and length 56m?


a1/9


b2/9


c7/9


d8/9


View Answer 2/9

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