Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Quantitative Reasoning

Topic

Mensuration: 3D

Question:

If a rectangular sheet of paper of length 6 cm and width 3 cm is rolled to form a cylinder with height equal to the width of the paper, then what is the base radius of the cylinder (in cm)?

Options:

$\frac{6}{π}$

$\frac{3}{π}$

$\frac{3}{2π}$

$\frac{9}{2π}$

Correct Answer:

$\frac{3}{π}$

Explanation:

The circumference of the cylinder = 2πr

According to the question,

2πr = 6

r = \(\frac{3}{π}\)