Jamb Mathematics Past Questions and Answers

Question 316:

• 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 317:

• 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 318:

• 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

Question 319:

• JAMB 2015

Find the x and y intercepts of the graph of 3x - z \(\leq\) 9

A. (3, -9)
B. (-3, 9)
C. (-3, -9)
D. (-3, 0)

Question 320:

• JAMB 2015

Simplify log₁₀1.5 + 3 log₁₀2 − log₁₀0.3

A. Log₁₀4
B. Log₁₀40
C. Log₁₀-40
D. Log₁₀4^-