JAMB and WAEC Mathematics questions

861 questions with answers and explanations. Tap an option to check yourself.

All JAMB WAEC

Question 761· Statistics· WAEC
In a pie chart, what fraction of the whole does a sector of 72° represent?
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Answer: B. 1/5
Explanation and discussion
Question 762· Statistics· WAEC
Find the mode of 2, 5, 3, 5, 7, 2, 5, 8.
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Answer: D. 5
Explanation and discussion
Question 763· Statistics· JAMB
In a pie chart of 120 students, 30 students walk to school. What angle represents those who walk?
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Answer: B. 90°
Explanation and discussion
Question 764· Statistics· WAEC
The values 1, 2 and 3 occur with frequencies 2, 3 and 5. Find the mean.
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Answer: A. 2.3
Explanation and discussion
Question 765· Statistics· WAEC
Find the range of 15, 8, 23, 11 and 19.
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Answer: B. 15
Explanation and discussion
Question 766· Statistics· WAEC
Find the mean of 4, 7, 9, 12 and 8.
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Answer: C. 8
Explanation and discussion
Question 767· Statistics· JAMB
The mean of x, 2x, 3x and 6 is 9. Find x.
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Answer: A. 5
Explanation and discussion
Question 768· Trigonometry· WAEC
The angle of elevation of the top of a tree from a point 20 m from its base is 45°. Find the height of the tree.
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Answer: D. 20 m
Explanation and discussion
Question 769· Trigonometry· JAMB
A man walks 5 km north and then 12 km east. How far is he from his starting point?
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Answer: A. 13 km
Explanation and discussion
Question 770· Trigonometry· WAEC
A ladder 10 m long leans against a vertical wall and makes 60° with the level ground. How high up the wall does it reach?
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Answer: B. 5√3 m
Explanation and discussion
Question 771· Trigonometry· WAEC
A point is 30 m from the foot of a pole 30 m high. Find the angle of elevation of the top of the pole.
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Answer: D. 45°
Explanation and discussion
Question 772· Trigonometry· WAEC
If cos θ = 5/13 and θ is acute, find sin θ.
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Answer: A. 12/13
Explanation and discussion
Question 773· Trigonometry· WAEC
In triangle ABC, a = 8 cm, angle A = 30° and angle B = 90°. Find b using the sine rule.
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Answer: C. 16 cm
Explanation and discussion
Question 774· Trigonometry· WAEC
What is the value of sin 60°?
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Answer: C. √3/2
Explanation and discussion
Question 775· Trigonometry· JAMB
A man walks 5 km due east and then 12 km due north. How far is he from his starting point?
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Answer: A. 13 km
Explanation and discussion
Question 776· Trigonometry· JAMB
In triangle ABC, a = 10 cm, angle A = 30° and angle B = 45°. Find b.
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Answer: B. 10√2 cm
Explanation and discussion
Question 777· Trigonometry· JAMB
In triangle ABC, a = 7 cm, b = 5 cm and angle C = 60°. Find c.
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Answer: C. √39 cm
Explanation and discussion
Question 778· Trigonometry· JAMB
Evaluate sin 30° × cos 60° + cos 30° × sin 60°.
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Answer: D. 1
Explanation and discussion
Question 779· Trigonometry· JAMB
Solve sin θ = ½ for 0° ≤ θ ≤ 180°.
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Answer: A. 30° or 150°
Explanation and discussion
Question 780· Trigonometry· JAMB
If cos θ = 5/13 and θ is acute, find tan θ.
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Answer: A. 12/5
Explanation and discussion

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JAMB and WAEC Mathematics questions

In a pie chart, what fraction of the whole does a sector of 72° represent?

Find the mode of 2, 5, 3, 5, 7, 2, 5, 8.

In a pie chart of 120 students, 30 students walk to school. What angle represents those who walk?

The values 1, 2 and 3 occur with frequencies 2, 3 and 5. Find the mean.

Find the range of 15, 8, 23, 11 and 19.

Find the mean of 4, 7, 9, 12 and 8.

The mean of x, 2x, 3x and 6 is 9. Find x.

The angle of elevation of the top of a tree from a point 20 m from its base is 45°. Find the height of the tree.

A man walks 5 km north and then 12 km east. How far is he from his starting point?

A ladder 10 m long leans against a vertical wall and makes 60° with the level ground. How high up the wall does it reach?

A point is 30 m from the foot of a pole 30 m high. Find the angle of elevation of the top of the pole.

If cos θ = 5/13 and θ is acute, find sin θ.

In triangle ABC, a = 8 cm, angle A = 30° and angle B = 90°. Find b using the sine rule.

What is the value of sin 60°?

A man walks 5 km due east and then 12 km due north. How far is he from his starting point?

In triangle ABC, a = 10 cm, angle A = 30° and angle B = 45°. Find b.

In triangle ABC, a = 7 cm, b = 5 cm and angle C = 60°. Find c.

Evaluate sin 30° × cos 60° + cos 30° × sin 60°.

Solve sin θ = ½ for 0° ≤ θ ≤ 180°.

If cos θ = 5/13 and θ is acute, find tan θ.