NUMBER AND NUMERATION - Jamb Mathematics Past Questions and Answers

Question 416:

• JAMB 2001

A car dealer bought a second-hand car for N250,000 and spent N70,000 refurbishing it. He then sold the car for N400,000. What is the percentage gain?

A. 60%
B. 32%
C. 25%
D. 20%

Question 417:

• JAMB 2001

If \(x = \frac{y}{2}\),evaluate\(\left(\frac{x^{3}}{y^{3}}+\frac{1}{2}\right) \div \left(\frac{1}{2} - \frac{x^{2}}{y^{2}}\right)\)

A. 5/8
B. 5/2
C. 5/32
D. 5/16

Question 418:

• JAMB 2001

Find the principal which amounts to N5,500 at a simple interest in 5 years at 2% per annum.

A. N4,900
B. N5,000
C. N4,700
D. N4,800

Question 419:

• JAMB 2001

Evaluate \(\frac{(0.14^2 \times 0.275)}{7(0.02)}\) to 3 decimal places.

A. 0.039
B. 0.385
C. 0.033
D. 0.038

Question 420:

• JAMB 2002

Without using tables, evaluate \((343)^{\frac{1}{3}} \times (0.14)^{-1} \times (25)^{-\frac{1}{2}}\)

A. 10
B. 12
C. 8
D. 7