The volume of a solid cylinder with heig

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Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Mensuration: 3D

Question:

The volume of a solid cylinder with height 6 cm is 1231 cm³. The radius of the cylinder is -

Options:

7 cm

10 cm

16 cm

9 cm

Correct Answer:

7 cm

Explanation:

Volume of cylinder = \(\pi \)r²h

⇒ 1232 = \(\frac{22}{7}\) × r² × 8

⇒ r²= \(\frac{1232 × 7}{22 × 8}\)

⇒ r= 7 cm