Mathematics Past Questions and Answers

A cylinder pipe, made of metal is 3cm thick.If the internal radius of the pipe is 10cm.Find the volume of metal used in making 3m of the pipe.

A 153\(\pi\)cm3
B 207\(\pi\)cm3
C 15 300\(\pi\)cm3
D 20 700\(\pi\)cm3

Question 2402:

At what rate would a sum of N100.00 deposited for 5 years raise an interest of N7.50?

A \(\frac{1}{2}\)%
B 2\(\frac{1}{2}\)%
C 1.5%
D 25%

Question 2403:

Three children shared a basket of mangoes in such a way that the first child took \(\frac{1}{4}\) of the mangoes and the second \(\frac{3}{4}\) of the remainder. What fraction of the mangoes did the third child take?

A \(\frac{3}{16}\)
B \(\frac{7}{16}\)
C \(\frac{9}{16}\)
D \(\frac{13}{16}\)

Question 2404:

Simplify and express in standard form \(\frac{0.00275 \times 0.00640}{0.025 \times 0.08}\)

A 8.8 x 10-1
B 8.8 x 10-2
C 8.8 x 10-3
D 8.8 x 103

Question 2405:

Simplify \(\sqrt{27}\) + \(\frac{3}{\sqrt{3}}\)

A 4\(\sqrt{3}\)
B \(\frac{4}{\sqrt{3}}\)
C 3\(\sqrt{3}\)
D \(\frac{\sqrt{3}}{4}\)