Jamb Mathematics 2015 Past Questions and Answers

Question 1:

• JAMB 2015

In a town of 6250 inhabitants, there were 62 births during 1984. Find the percentage birth rate

A. 3%
B. 1.0%
C. 2.5%
D. 5.40%

Question 2:

• JAMB 2015

Simplify 1¼ ÷ (2 ÷ ¼ of 28)

A. 1 \( \frac{3}{8}\)
B. 2 \( \frac{3}{4}\)
C. 4 \( \frac{3}{8}\)
D. 3 \( \frac{1}{5}\)

Question 3:

• JAMB 2015

Factorize x² + 9x + 20

A. (x − 5) ²
B. (x + 5)(x + 4)
C. (x — 5)(x + 3)
D. (x + 3) ²

Question 4:

• JAMB 2015

If three staff of Myschool Limited agreed to share their salary arrears in the ration of their ages, which are 18 years, 20 years, 22 years respectively. If the sum of the money collected is N120,000.00K, How much does the second staff received?

A. N36,000
B. N44,000
C. N40,000
D. N15,000

Question 5:

• JAMB 2015

X and Y are two sets such that n(X) = 15, n(Y) = 12 and n{X ∩ Y} = 7. Find ∩{X ∪ Y}

A. 21
B. 225
C. 15
D. 20