JAMB and WAEC Mathematics questions

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

All JAMB WAEC

Question 441· Mensuration· JAMB
Find the total surface area of a cuboid measuring 4 cm by 3 cm by 2 cm.
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Answer: C. 52 cm²
Explanation and discussion
Question 442· Mensuration· JAMB
Find the curved surface area of a cone of radius 3 cm and slant height 5 cm. [π = 3.14]
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Answer: D. 47.1 cm²
Explanation and discussion
Question 443· Mensuration· JAMB
Find the volume of a cylinder of radius 14 cm and height 5 cm. (Take π = 22/7.)
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Answer: B. 3080 cm³
Explanation and discussion
Question 444· Mensuration· JAMB
A cylinder of radius 7 cm has a curved surface area of 440 cm². Find its height. (Take π = 22/7.)
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Answer: B. 10 cm
Explanation and discussion
Question 445· Number bases· JAMB
If 35 (base n) = 26 (base 10), find n.
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Answer: C. 7
Explanation and discussion
Question 446· Number bases· WAEC
Find x if 24ₓ = 18 (base ten).
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Answer: A. 7
Explanation and discussion
Question 447· Number bases· JAMB
Find the digit y if 2y4₇ = 144 (base ten).
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Answer: A. 6
Explanation and discussion
Question 448· Number bases· WAEC
Multiply 12₃ by 2₃, giving the answer in base three.
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Answer: B. 101₃
Explanation and discussion
Question 449· Number bases· JAMB
Convert 1101 (base 2) to base 8.
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Answer: B. 15
Explanation and discussion
Question 450· Number bases· WAEC
Find the value of x if 23ₓ = 13 (base ten).
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Answer: C. 5
Explanation and discussion
Question 451· Number bases· WAEC
Subtract 12₅ from 34₅, giving the answer in base five.
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Answer: C. 22
Explanation and discussion
Question 452· Number bases· JAMB
Which of the following numbers is the largest?
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Answer: A. 20 (base 8)
Explanation and discussion
Question 453· Number bases· JAMB
Convert 1.11₂ to base ten.
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Answer: C. 1.75
Explanation and discussion
Question 454· Number bases· JAMB
Convert 0.101 (base 2) to base 10.
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Answer: B. 0.625
Explanation and discussion
Question 455· Number bases· WAEC
Convert 2103 in base four to base ten.
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Answer: C. 147
Explanation and discussion
Question 456· Number bases· WAEC
Subtract 1011₂ from 11010₂.
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Answer: B. 1111₂
Explanation and discussion
Question 457· Number bases· JAMB
Convert 52 (base 8) to base 10.
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Answer: D. 42
Explanation and discussion
Question 458· Number bases· WAEC
Add 1011₂ and 111₂.
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Answer: A. 10010₂
Explanation and discussion
Question 459· Number bases· WAEC
Convert 0.625 (base ten) to base two.
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Answer: C. 0.101₂
Explanation and discussion
Question 460· Number bases· JAMB
Convert 345 (base 6) to base 10.
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Answer: A. 137
Explanation and discussion

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JAMB and WAEC Mathematics questions

Find the total surface area of a cuboid measuring 4 cm by 3 cm by 2 cm.

Find the curved surface area of a cone of radius 3 cm and slant height 5 cm. [π = 3.14]

Find the volume of a cylinder of radius 14 cm and height 5 cm. (Take π = 22/7.)

A cylinder of radius 7 cm has a curved surface area of 440 cm². Find its height. (Take π = 22/7.)

If 35 (base n) = 26 (base 10), find n.

Find x if 24ₓ = 18 (base ten).

Find the digit y if 2y4₇ = 144 (base ten).

Multiply 12₃ by 2₃, giving the answer in base three.

Convert 1101 (base 2) to base 8.

Find the value of x if 23ₓ = 13 (base ten).

Subtract 12₅ from 34₅, giving the answer in base five.

Which of the following numbers is the largest?

Convert 1.11₂ to base ten.

Convert 0.101 (base 2) to base 10.

Convert 2103 in base four to base ten.

Subtract 1011₂ from 11010₂.

Convert 52 (base 8) to base 10.

Add 1011₂ and 111₂.

Convert 0.625 (base ten) to base two.

Convert 345 (base 6) to base 10.