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Aptitude :

Volume and Surface Area




1.
Find the surface area of a 10cm*4cm*3cm brick.

154 cm square
156 cm square
160 cm square
164 cm square




2.
A cistern 6 m long and 4 m wide contains water up to a breadth of 1 m 25 cm. Find the total area of the wet surface.

42 m sqaure
49 m sqaure
52 m sqaure
64 m sqaure




3.
A boat having a length 3 m and breadth 2 m is floating on a lake. The boat sinks by 1 cm when a man gets into it. The mass of the man is :

40 kg
60 kg
50 kg
30 kg




4.
How many bricks, each measuring 25cm*11.25cm*6cm, will be needed to build a wall 8m*6m*22.5m

6100
6300
6500
6400




5.
A swimming pool 9 m wide and 12 m long is 1 m deep on the shallow side and 4 m deep on the deeper side. Its volume is:

240
250
270
280




6.
The cost of the paint is Rs. 36.50 per kg. If 1 kg of paint covers 16 square feet, how much will it cost to paint outside of a cube having 8 feet each side.

880
870
876
875




7.
How many cubes of 10 cm edge can be put in a cubical box of 1 m edge.

100 cubes
1000 cubes
10 cubes
1 cubes




8.
66 cubic centimetres of silver is drawn into a wire 1 mm in diameter. The length if the wire in meters will be:

80 m
76 m
84 m
83 m




9.
The slant height of a conical mountain is 2.5 km and the area of its base is 1.54 km square. The height of mountain is :

2.5 km
2.4 km
2.6 km
2.7 km




10.
The radii of two cones are in ratio 2:1, their volumes are equal. Find the ratio of their heights.

1:4
1:3
1:7
1:2




11.
The surface area of a sphere is same as the curved surface area of a right circular cylinder whose height and diameter are 12 cm each. The radius of the sphere is:

5 cm
6 cm
2 cm
4 cm




12.
12 spheres of the same size are made from melting a solid cylinder of 16 cm diameter and 2 cm height. Find the diameter of each sphere.

4 cm
5 cm
6 cm
7 cm










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FreshersLive - No.1 Job site in India. Here you can find latest 2016 government as well as private job recruitment notifications for different posts vacancies in India. Get top company jobs for both fresher and experienced. Job Seekers can get useful interview tips, resume services & interview Question and answer. Practice online test free which is helpful for interview preparation. Register with us to get latest employment news/rojgar samachar notifications. Also get latest free govt and other sarkari naukri job alerts daily through E-mail.