Area - Mock Test 1

Question 1

Curved surface area of a cylinder is 528 sq cm. If circumference of its base is 44 cm, find the height of the cylinder?

A) 12 cm B) 24 cm C) 36 cm D) 6 cm

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Question 2

In a triangle the length of the side opposite the right angle is 9√3 cm, what is the length of the side opposite to the angle which measures 30 degree?

A) 9 cm B) 3√3 cm C) 6 cm D) (9√3)/2 cm

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Question 3

In ΔDEF, G and H are points on side DE and DF respectively. GH is parallel to EF. If G divides DE in the ratio 1:3 and HF is 7.2 cm, find length of DF

A) 2.4 cm B) 4.8 cm C) 3.6 cm D) 9.6 cm

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Question 4

If the radius of a circle is increased by 15% its area increases by _________

A) 30 percent B) 32.25 percent C) 15 percent D) 16.125 percent

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Question 5

A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?

A) 289 B) 361.5 C) 481.25 D) 962.5

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Question 6

Rajesh went 15 km to the west from his house, then turned left and walked 20 km. he, then turned east & walked 25 km and finally turning left he covered 20 km how far is he now from his house?

A) 15 km B) 20 km C) 25 km D) 10 km

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