Jamb Mathematics Past Questions and Answers

Question 2346:

• JAMB 2020

In a class of 150 students, the sector in a pie chart representing the students offering physics has angle 12\(^o\). How many students are offering physics?

A. 18
B. 15
C. 10
D. 5

Question 2347:

• 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 2348:

• 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 2349:

• 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 2350:

• 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