NUMBER AND NUMERATION - Jamb Mathematics Past Questions and Answers

Question 231:

• JAMB 1983

On a square paper of length 2.524375cm is inscribed square diagram of length 0.524375cm. Find the area of the paper not covered by the diagram. correct to 3 significant figures.

A. 6.00cm²
B. 6.10cm²
C. 6cmv
D. 6.09cm²
E. 4.00cm²

Question 232:

• JAMB 1983

Simplify \(\sqrt[3]{\frac{27a^{-9}}{8}}\).

A. \(\frac{9a^2}{2a^3}\)
B. \(\frac{3}{2a^3}\)
C. \(\frac{2}{3a^2}\)
D. \(\frac{3a^2}{2}\)

Question 233:

• JAMB 1984

Simplify \(\frac{(\frac{2}{3} - \frac{1}{5}) - \frac{1}{3} \text{of} \frac{2}{5}}{3 - \frac{1}{1 \frac{1}{2}}}\)

A. \(\frac{1}{7}\)
B. 7
C. \(\frac{1}{3}\)
D. 3

Question 234:

• JAMB 1984

Simplify \(\frac{(\frac{2}{3} - \frac{1}{5}) - \frac{1}{3} \text{of} \frac{2}{5}}{3 - \frac{1}{1 \frac{1}{2}}}\)

A. \(\frac{1}{7}\)
B. 7
C. \(\frac{1}{3}\)
D. 3

Question 235:

• JAMB 1984

P sold his bicycle to Q at a profit of 10%. Q sold it to R for N209 at a loss of 5%. How much did the bicycle cost P?

A. N200
B. N196
C. N180
D. N205
E. N150