SATHEE: Quantitative Aptitude Ques 164

Quantitative Aptitude Ques 164

Question: If the lateral surface of a cylinder is $ 94.2,cm^{2} $ and its height is 5 cm, then find radius of its base. [use it $ \pi =3.14 $ ] [IBPS (SO) 2014]

Options:

A) 5 cm

B) 7 cm

C) 3 cm

D) 9 cm

E) 4 cm

Show Answer

Answer:

Correct Answer: C

Solution:

Lateral surface area of cylinder $ 94.2,cm^{2} $ Height = 5 cm, Radius = ? We know lateral surface area of cylinder $ =2\pi rh $ $ 94.2=2\times 3.14\times r\times 5 $

$ \Rightarrow $ $ 94.2=31.4\times r $
$ \Rightarrow $ $ r=3,cm $

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Quantitative Aptitude Ques 164

Question: If the lateral surface of a cylinder is $ 94.2,cm^{2} $ and its height is 5 cm, then find radius of its base. [use it $ \pi =3.14 $ ] [IBPS (SO) 2014]

Options:

Answer:

Solution:

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