The curve surface area of a cylinder, 5cm high is 110cm 2. Find the radius of its base. [Take \(\pi = \frac{22}{7}\)]

A.

2.6cm

B.

3.5cm

C.

3.6cm

D.

7.0cm

View answer & explanation

Correct answer is B

Curved surface area of cylinder = 2\(\pi\)rh

110 = 2 x \(\frac{22}{7}\) x r x 5

r = \(\frac{110 \times 7}{44 \times 5}\)

= 3.5cm

See all Mathematics questions & answers
See more WAEC questions & answers
Aptitude Tests

Spatial Reasoning Questions and Answers

Quantitative Reasoning Questions and Answers

Data Interpretation Questions and Answers

Microsoft Office Questions and Answers

Nigeria General Knowledge Questions and Answers

Personality Test

Abstract Reasoning Questions and Answers

Logical Reasoning Questions and Answers

Verbal Reasoning Questions and Answers

Numerical Reasoning Questions and Answers

Puzzles Questions and Answers

Situational Judgement Questions and Answers

Typing Speed and Accuracy Test

See all →


View latest jobs in Nigeria today