Classroom

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.

4,407 questions JAMB 2359 WAEC 1853 NECO 179 POST_UTME 6 CUSTOM 10

Select subject

Download PHP app Ask a Question Check Syllabus Past Question Videos Topic Video Lessons

Take a test

Custom CBT

Create and set up a CBT environment with your preferred subjects.

JAMB CBT Simulator

Practice JAMB CBT with real UTME past questions in CBT format.

WAEC CBT Practice 2026 Simulator

CB-WASSCE styled past question practice.

NECO CBT Practice 2026 Simulator

SSCE & GCE styled past question practice.

Past Questions

4,407 questions

Question 1 of 20 4,407 total questions

Question 1781

waec 1991

Find the area of an equivalent triangle of side 16cm

A64√3cm²

B72√3cm²

C96cm²

D128√3cm²

E128cm²

View Explanation & Discuss

Question 1782

waec 1991

In the diagram above, O is the center of the circle, |SQ| = |QR| and ∠PQR = 68°. Calculate ∠PRS

A34^o

B45^o

C56^o

D62^o

E68^o

View Explanation & Discuss

Question 1783

waec 1991

In a given regular polygon, the ratio of the exterior angle to the interior angles is 1:3. How many side has the polygon?

A40

E12

View Explanation & Discuss

Question 1784

waec 1991

In the diagram above, ∠PTQ = ∠URP = 25° and XPU = 4URP. Calculate ∠USQ.

A100^o

B120^o

C125^o

D130^o

E150^o

View Explanation & Discuss

Question 1785

waec 1991

The angles of a pentagon are x°, 2x°, (x + 60)°, (x + 10)°, (x -10)°. Find the value of x.

A40

B60

C75

D80

E90

View Explanation & Discuss

Question 1786

waec 1991

Which of the following about a rhombus may not be true?

AThe diagonals are equal

BThe diagonals bisect the angles through which they pass

Cthe diagonals bisect each other

DThe adjacent sides are equal

EOpposite angles are equal

View Explanation & Discuss

Question 1787

waec 1991

Mrs. Jones is expecting a baby. The probability that it will be a boy is 1/2 and probability that the baby will have blue eyes is 1/4. What is the probability that she will have a blue-eyed boy?

A1/8

B¹/₄

C3/8

D¹/₂

E3/4

View Explanation & Discuss

Question 1788

waec 1991

A box contains 2 white and 3 blue identical marbles. If two marbles are picked at random, one after the other without replacement, what is the probability of picking two marbles of different colors?

A2/3

B3/5

C2/5

D7/20

E3/10

View Explanation & Discuss

Question 1789

waec 1991

If events X and Y are mutually exclusive, P(X) = 1/3 and P(Y) = 2/5, P(X∪Y) is

B2/15

C4/14

D11/15

View Explanation & Discuss

Question 1790

waec 1991

If two events are mutually exclusive, their intersection is empty. This means that there are no outcomes that are common to both events. In probability terms, if X and Y are mutually exclusive events, then:

Pr(X ∩ Y) = 0

B2/15

C11/15

D4/15

View Explanation & Discuss

Question 1791

waec 1991

No. of chairs	1	2	3	4	5	6	7
Frequency	2	7	5	4	9	7	6

Find the median of the distribution

B6.5

D4.5

View Explanation & Discuss

Question 1792

waec 1991

Find the mode of the distribution

A40

View Explanation & Discuss

Question 1793

waec 1991

Find the mean of the distribution

A3.5

B4.0

C4.4

D5.0

View Explanation & Discuss

Question 1794

waec 1991

The mean of 30 observations recorded in an experiment is 5. lf the observed largest value of 34 is deleted, find the mean of the remaining observations

C3.9

D3.4

E3.0

View Explanation & Discuss

Question 1795

waec 1991

Which of the following is not a measure of dispersion?

AMode

BMean deviation

CRange

Dinterquartile range

EStandard deviation

View Explanation & Discuss

Question 1796

waec 1991

In a class of 80 students, every student had to study Economics or Geography or both Economics and Geography. lf 65 students studied Economics and 50 studied Geography, how many studied both subjects?

A15

B30

C35

D45

E50

View Explanation & Discuss

Question 1797

waec 1991

P = {2, 1,3, 9, 1/2}; Q = {1,21/2,3, 7} and R = {5, 4, 21/2}. Find P∩Q∩R

A(2¹/₂)

B∅

C(1, 3, 7)

D(4)

E(5,7,9)

View Explanation & Discuss

Question 1798

waec 1991

P={2, 1,3, 9, 1/2}; Q = {1,21/2,3, 7} and R = {5, 4, 21/2}. Find P∪Q∪R

A(2¹/₂)

B(1, 9)

C(1, 2, 3, 4, 5, 6, 7)

D(5, 4, 2¹/₂)

E(¹/₂, 1, 2, 2¹/₂, 3, 4, 5, 7, 9)

View Explanation & Discuss

Question 1799

waec 1991

In the diagram above, ATR is a tangent at the point T to the circle center O, if ∠TOB = 145°, find ∠TAO

A20^o

B35^o

C45^o

D55^o

E65^o

View Explanation & Discuss

Question 1800

waec 1991

The angle of elevation of the top of a tree 39m
away from a point on the ground is 30^o. Find the height of the tree

A39√3m

B13√3m

C13/\(\sqrt{3}\)m

D13/3\(\sqrt{3}\)m

E\(\sqrt{3}\)/13m

View Explanation & Discuss

Question Navigator

Current

Mathematics Past Questions

Take a test

Custom CBT

JAMB CBT Simulator

WAEC CBT Practice 2026 Simulator

NECO CBT Practice 2026 Simulator

Past Questions

Question Navigator

MathsFaculty