Aptitude - Arithmetical Ability

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19.

Find the length of the longest pole that can be placed in a room 12 m long 8m broad and 9m high.                        
A. 17m B. 18m
C. 19m D. 20m



20.

Find the number of bricks, each measuring 24 cm x 12 cm x 8 cm, required to construct a wall 24 m long, 8m high and 60 cm thick, if 10% of the wall is filled with mortar?                        
A. 45000 B. 50000
C. 4800 D. 47500



21.

Find the slant height, volume, curved surface area and the whole surface area of a cone of radius 21 cm and height 28 cm.                        
A. 32 cm B. 24 cm
C. 35 cm D. 98 cm




22.

Find the volume , curved surface area and the total surface area of a cylinder with diameter of base 7 cm and height 40 cm.                        
A. 957 cm^2 B. 956 cm^3
C. 952 cm^2 D. 955 cm^2



23.

Find the volume and surface area of a cuboid 16 m long, 14 m broad and 7 m high.                        
A. 868cm^2 B. 878cm^2
C. 888cm^2 D. 808cm^2



24.

Find the volume and surface area of a sphere of radius 10.5 cm.                        
A. 4851 cm^3,1386 cm^2 B. 4251 cm^3,1186 cm^2
C. 4251 cm^3,1386 cm^2 D. 4851 cm^3,1986 cm^2



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