Jamb Mathematics 2020 Past Questions and Answers

Question 6:

• JAMB 2020

Four boys and ten girls can cut a field first in 5 hours. If the boys work at \(\frac{5}{4}\) the rate at which the girls work, how many boys will be needed to cut the field in 3 hours?

A. 180
B. 60
C. 25
D. 20

Question 7:

• JAMB 2020

What is the circumference of latitude 0\(^o\)S if R is the radius of the earth?

A. Cos \(\theta\)
B. 2\(\pi\)R cos \(\theta\)
C. R sin \(\theta\)
D. 2 \(\pi\) r sin \(\theta\)

Question 8:

• JAMB 2020

A room is 12m long, 9m wide and 8m high. Find the cosine of the angle which a diagonal of the room makes with the floor of the room

A. \(\frac{15}{17}\)
B. \(\frac{8}{17}\)
C. \(\frac{8}{15}\)
D. \(\frac{12}{17}\)

Question 9:

• JAMB 2020

The goals scored by 40 football teams from three league divisions are recorded below

No of goals	0	1	2	3	4	5	6
Frequency	4	3	15	16	1	0	1

What is the total number of goals scored by all the teams?

A. 21
B. 40
C. 91
D. 96

Question 10:

• 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