Jamb Mathematics Past Questions and Answers

Question 2371:

• JAMB 2020

Three consecutive terms of a geometric progression are give as n - 2, n and n + 3. Find the common ratio

A. \(\frac{3}{2}\)
B. \(\frac{2}{3}\)
C. \(\frac{1}{2}\)
D. \(\frac{1}{4}\)

Question 2372:

• JAMB 2020

In a class of 40 students, 32 offer mathematics, 24 offer physics and 4 offer neither mathematics nor physics. How many offer both mathematics and physics?

A. 4
B. 8
C. 16
D. 20

Question 2373:

• JAMB 2020

The sum of the interior angle of pentagon is 6x + 6y. Find y in terms of x.

A. Y = 6 - x
B. Y = 90 - x
C. Y = 120 - x
D. Y = 150 - x

Question 2374:

• JAMB 2020

The mean age group of some students is 15years. When the age of a teacher, 45 years old, is added to the ages of the students, the mean of their ages become 18 years. Find the number of students in the group.

A. 7
B. 9
C. 15
D. 42

Question 2375:

• JAMB 2020

A surveyor walks 500m up a hill which slopes at an angle of 30\(^o\). Calculate the vertical height through which he rises

A. 252m
B. 500m
C. 250m
D. 255m