Mathematics Past Questions

Study and practice Mathematics past questions with answers and detailed explanations. Then test your knowledge using our interactive CBT practice platform and prepare confidently for your upcoming examinations.

80 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10
Download PHP app Ask a Question Check Syllabus Past Question Videos Topic Video Lessons

Take a test

Past Questions

80 questions
Question 1 of 20 80 total questions
Question 21
jamb 2019

If 2\(^{x + y}\) = 16 and 4\(^{x - y} = \frac{1}{32}\), find the values of x and y.

Ax = \(\frac{3}{4}\), y = \(\frac{11}{4}\)
Bx = \(\frac{3}{4}\), y = \(\frac{13}{4}\)
Cx = \(\frac{2}{3}\), y = \(\frac{4}{5}\)
Dx = \(\frac{2}{3}\), y = \(\frac{13}{4}\)
View Explanation & Discuss
Question 22
jamb 2019

Evaluate \((\frac{6}{0.32} \div \frac{2}{0.084})^{-1}\) correct to 1 decimal place.

A1.3
B2.5
C4.6
D3.2
View Explanation & Discuss
Question 23
jamb 2019

The weight of a day-old chick was measured to be 0.21g. If the actual weight of the chick is 0.18g, what was the percentage error in the measurement?

A15.5%
B18.2%
C14.8%
D16.7%
View Explanation & Discuss
Question 24
jamb 2019

The angles of a polygon are given by 2x, 5x, x and 4x respectively. The value of x is

A31°
B30°
C26°
D48°
View Explanation & Discuss
Question 25
jamb 2019

If S = (4t + 3)(t - 2), find ds/dt when t = 5 secs.

A50 units per sec
B35 units per sec
C22 units per sec
D13 units per sec
View Explanation & Discuss
Question 26
jamb 2019

Find the value of \(\frac{(0.5436)^3}{0.017 \times 0.219}\) to 3 significant figures.

A46.2
B43.1
C534
D431
View Explanation & Discuss
Question 27
jamb 2019

Simplify 81\(^{\frac{-3}{4}}\) x 25\(^{\frac{1}{2}}\) x 243\(^{\frac{2}{5}}\)

A\(\frac{2}{5}\)
B\(\frac{3}{5}\)
C\(\frac{5}{2}\)
D\(\frac{5}{3}\)
View Explanation & Discuss
Question 28
jamb 2019

The simple interest on ₦8550 for 3 years at x% per annum is ₦4890. Calculate the value of x to the nearest whole number.

A19%
B20%
C25%
D16.3%
View Explanation & Discuss
Question 29
jamb 2019

Tade bought 200 mangoes at 4 for ₦2.50. 30 out of the mangoes got spoilt and the remaining were sold at 2 for ₦2.40. Find the percentage profit or loss.

A43.6% loss
B35% profit
C63.2% profit
D28% loss
View Explanation & Discuss
Question 30
jamb 2019

If P varies inversely as the square root of q, where p = 3 and q = 16, find the value of q when p = 4.

A12
B8
C9
D16
View Explanation & Discuss
Question 31
jamb 2019

Integrate \(\int_{-1} ^{2} (2x^2 + x) \mathrm {d} x\)

A\(4\frac{1}{2}\)
B\(3\frac{1}{2}\)
C\(7\frac{1}{2}\)
D\(5\frac{1}{4}\)
View Explanation & Discuss
Question 32
jamb 2019

The nth term of a sequence is given by 2\(^{2n - 1}\). Find the sum of the first four terms.

A74
B32
C42
D170
View Explanation & Discuss
Question 33
jamb 2019

Solve the inequality: -7 \(\leq\) 9 - 8x < 16 - x

A-1 \(\leq\) x \(\leq\) 2
B-1 \(\leq\) x < 2
C-1 < x < 2
D-1 < x \(\leq\) 2
View Explanation & Discuss
Question 34
jamb 2019

Solve for x in \(\frac{4x - 6}{3} \leq \frac{3 + 2x}{2}\)

A\(x \leq 1\frac{1}{2}\)
B\(x \leq \frac{21}{2}\)
C\(x \geq \frac{21}{2}\)
D\(x \geq 1\frac{1}{2}\)
View Explanation & Discuss
Question 35
jamb 2019

If \(f(x) = 3x^3 + 4x^2 + x - 8\), what is the value of f(-2)?

A-24
B30
C-18
D-50
View Explanation & Discuss
Question 36
jamb 2019

\(\frac{d}{dx} [\log (4x^3 - 2x)]\) is equal to

A\(\frac{12x - 2}{4x^2}\)
B\(\frac{43x^2 - 2x}{7x}\)
C\(\frac{4x^2 - 2}{7x + 6}\)
D\(\frac{12x^2 - 2}{4x^3 - 2x}\)
View Explanation & Discuss
Question 37
jamb 2019

If \(y = 6x^3 + 2x^{-2} - x^{-3}\), find \(\frac{\mathrm d y}{\mathrm d x}\).

A\(\frac{\mathrm d y}{\mathrm d x} = 15x^2 - 4x^{-2} - 3x^{-2}\)
B\(\frac{\mathrm d y}{\mathrm d x} = 6x + 4x^{-1} - 3x^{-4}\)
C\(\frac{\mathrm d y}{\mathrm d x} = 18x^2 - 4x^{-3} + 3x^{-4}\)
D\(\frac{\mathrm d y}{\mathrm d x} = 12x^2 + 4x^{-1} - 3x^{-2}\)
View Explanation & Discuss
Question 38
jamb 2019

If \(\begin{vmatrix} 2 & -4 \\ x & 9 \end{vmatrix} = 58\), find the value of x.

A10
B30
C14
D28
View Explanation & Discuss
Question 39
jamb 2019

If P(2, m) is the midpoint of the line joining Q(m, n) and R(n, -4), find the values of m and n.

Am = 0, n = 4
Bm = 4, n = 0
Cm = 2, n = 2
Dm = -2, n = 4
View Explanation & Discuss
Question 40
jamb 2019

If given two points A(3, 12) and B(5, 22) on a x-y plane. Find the equation of the straight line with intercept at 2.

Ay = 5x + 2
By = 5x + 3
Cy = 12x + 2
Dy = 22x + 3
View Explanation & Discuss
Question Navigator
Current
MathsFaculty