JAMB and WAEC Mathematics questions

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

All JAMB WAEC

Question 461· Number bases· WAEC
Evaluate 101₂ × 11₂, leaving the answer in base two.
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Answer: C. 1111₂
Explanation and discussion
Question 462· Number bases· WAEC
Add 213₄ and 132₄, giving the answer in base four.
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Answer: D. 1011₄
Explanation and discussion
Question 463· Number bases· JAMB
Evaluate 101 (base 2) + 111 (base 2), giving the answer in base 2.
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Answer: D. 1100
Explanation and discussion
Question 464· Number bases· JAMB
Evaluate 341₆ − 125₆, giving the answer in base six.
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Answer: D. 212₆
Explanation and discussion
Question 465· Number bases· JAMB
Which of these numbers is the largest? 1011₂, 23₅, 15₈, 1111₃
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Answer: D. 1111₃
Explanation and discussion
Question 466· Number bases· JAMB
Subtract 101 (base 2) from 1100 (base 2), giving the answer in base 2.
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Answer: C. 111
Explanation and discussion
Question 467· Number bases· JAMB
Add 234 (base 5) and 143 (base 5), giving the answer in base 5.
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Answer: D. 432
Explanation and discussion
Question 468· Number bases· WAEC
Express 47 (base ten) in base five.
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Answer: C. 142
Explanation and discussion
Question 469· Number bases· JAMB
Convert 1010 (base 2) to base 5.
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Answer: A. 20
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Question 470· Number bases· JAMB
Find the digit x if 2x1 (base 3) = 22 (base 10).
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Answer: A. 1
Explanation and discussion
Question 471· Number bases· WAEC
Convert 100 in base ten to base eight.
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Answer: D. 144
Explanation and discussion
Question 472· Number bases· WAEC
Subtract 34₅ from 102₅.
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Answer: B. 13₅
Explanation and discussion
Question 473· Number bases· WAEC
Convert 45 in base ten to base two.
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Answer: C. 101101
Explanation and discussion
Question 474· Number bases· JAMB
Evaluate 12 (base 3) × 2 (base 3), giving the answer in base 3.
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Answer: D. 101
Explanation and discussion
Question 475· Number bases· JAMB
Convert 213 (base 4) to base 10.
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Answer: D. 39
Explanation and discussion
Question 476· Number bases· JAMB
Express 25 (base 10) in base 2.
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Answer: A. 11001
Explanation and discussion
Question 477· Number bases· WAEC
Convert 101101₂ to a number in base ten.
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Answer: D. 45
Explanation and discussion
Question 478· Number bases· WAEC
Multiply 23₅ by 4₅ and give the answer in base five.
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Answer: A. 202₅
Explanation and discussion
Question 479· Number bases· WAEC
In which base is 31 equal to 16 in base ten?
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Answer: C. 5
Explanation and discussion
Question 480· Number bases· WAEC
Convert 25 (base ten) to a number in base two.
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Answer: B. 11001₂
Explanation and discussion

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JAMB and WAEC Mathematics questions

Evaluate 101₂ × 11₂, leaving the answer in base two.

Add 213₄ and 132₄, giving the answer in base four.

Evaluate 101 (base 2) + 111 (base 2), giving the answer in base 2.

Evaluate 341₆ − 125₆, giving the answer in base six.

Which of these numbers is the largest? 1011₂, 23₅, 15₈, 1111₃

Subtract 101 (base 2) from 1100 (base 2), giving the answer in base 2.

Add 234 (base 5) and 143 (base 5), giving the answer in base 5.

Express 47 (base ten) in base five.

Convert 1010 (base 2) to base 5.

Find the digit x if 2x1 (base 3) = 22 (base 10).

Convert 100 in base ten to base eight.

Subtract 34₅ from 102₅.

Convert 45 in base ten to base two.

Evaluate 12 (base 3) × 2 (base 3), giving the answer in base 3.

Convert 213 (base 4) to base 10.

Express 25 (base 10) in base 2.

Convert 101101₂ to a number in base ten.

Multiply 23₅ by 4₅ and give the answer in base five.

In which base is 31 equal to 16 in base ten?

Convert 25 (base ten) to a number in base two.