Jamb Mathematics Past Questions and Answers

Question 2246:

• 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 2247:

• JAMB 2015

If three staff of SchoolNGR Limited agreed to share their salary arrears in the ratio 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 2248:

• 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 2249:

• 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 2250:

• JAMB 2015

Simplify log₁₀1.5 + 3 log₁₀2 − log₁₀0.3

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