Jamb Mathematics 2020 Past Questions and Answers

Question 11:

• JAMB 2020

If log\(_{10}\)2 = 0.3010 and log\(_{10}\)3 = 0.4771, eventually without using the logarithm tables, log\(_{10}\)4.5

A. 0.3010
B. 0.4771
C. 0.6532
D. 0.9542

Question 12:

• JAMB 2020

Simplify \(\frac{324 - 4x^2}{2x + 18}\)

A. 2(x - 9)
B. 2(9 + x)
C. 81 - x\(^2\)
D. -2(x - 9)

Question 13:

• JAMB 2020

In preparing rice cutlets, a cook used 75g of rice, 40g of margarine, 105g of meat and 20g of bread crumbs. Find the angle of the sector which represent meat in a pie chart?

A. 30\(^o\)
B. 60\(^o\)
C. 112.5\(^o\)
D. 157.5\(^o\)

Question 14:

• JAMB 2020

The angle of a sector of a circle radius 10.5 cm is 48\(^o\). Calculate the perimeter of the sector.

A. 25.4cm
B. 25.4cm
C. 25.6cm
D. 29.8cm

Question 15:

• JAMB 2020

What is the product of \(\frac{27}{5}\), \((3)^{-3}\) and (\(\frac{1}{5})^{-1}\)?

A. 5
B. 3
C. 1
D. \(\frac{1}{25}\)