Test Index

JAMB Mathematics 2015 Paper

Question : 31

Total: 61

Solution:

Concept:

The volume of a cylinder is found by multiplying the base area

\pi r^2

by the height

h

Explanation:

The formula for the volume of a cylinder is

V = \pi r^2 h

Given values are

r = 5 \, \text{cm}

and

h = 4 \, \text{cm}

, with

\pi = 3.14

Substitute these into the formula:

V = 3.14 \times (5)^2 \times 4

V = 3.14 \times 25 \times 4

V = 3.14 \times 100

V = 314

Therefore, the volume is

314 \, \text{cm}^3

Answer:

The correct option is C.

314 \, \text{cm}^3

(written as

314 \, \text{cm}^2

in the options).

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