JAMB Mathematics questions

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

All JAMB WAEC

Question 301· Permutation and combination· JAMB
In how many ways can a chairman and a secretary be chosen from 7 members?
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Answer: C. 42
Explanation and discussion
Question 302· Permutation and combination· JAMB
A committee of 4 with exactly 2 women is chosen from 6 men and 4 women. In how many ways can this be done?
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Answer: B. 90
Explanation and discussion
Question 303· Permutation and combination· JAMB
In how many ways can 2 prefects be chosen from 10 students (that is, ¹⁰C₂)?
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Answer: D. 45
Explanation and discussion
Question 304· Permutation and combination· JAMB
In how many ways can a committee of 4 be chosen from 7 people?
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Answer: D. 35
Explanation and discussion
Question 305· Permutation and combination· JAMB
Evaluate ⁶P₂.
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Answer: D. 30
Explanation and discussion
Question 306· Permutation and combination· JAMB
In how many ways can the letters of the word ADMIT be arranged if A must come first?
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Answer: C. 24
Explanation and discussion
Question 307· Permutation and combination· JAMB
The value of 0! is
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Answer: C. 1
Explanation and discussion
Question 308· Permutation and combination· JAMB
In how many ways can first and second places be awarded among 9 runners?
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Answer: A. 72
Explanation and discussion
Question 309· Permutation and combination· JAMB
How many different selections of 10 books can be made from 12 different books?
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Answer: D. 66
Explanation and discussion
Question 310· Permutation and combination· JAMB
Ten people each shake hands once with every other person. How many handshakes take place?
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Answer: A. 45
Explanation and discussion
Question 311· Permutation and combination· JAMB
A committee of 2 boys and 1 girl is to be chosen from 4 boys and 3 girls. In how many ways can this be done?
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Answer: D. 18
Explanation and discussion
Question 312· Permutation and combination· JAMB
In how many ways can 5 people sit in a row of 5 chairs?
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Answer: A. 120
Explanation and discussion
Question 313· Permutation and combination· JAMB
In how many ways can the letters of the word SEED be arranged?
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Answer: C. 12
Explanation and discussion
Question 314· Permutation and combination· JAMB
In how many ways can all the letters of the word LAGOS be arranged?
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Answer: D. 120
Explanation and discussion
Question 315· Permutation and combination· JAMB
In how many ways can first, second and third prizes be awarded among 5 students?
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Answer: B. 60
Explanation and discussion
Question 316· Permutation and combination· JAMB
Evaluate ⁸C₃.
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Answer: A. 56
Explanation and discussion
Question 317· Permutation and combination· JAMB
If ⁿC₂ = 15, find n.
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Answer: D. 6
Explanation and discussion
Question 318· Permutation and combination· JAMB
A team of 3 is to be chosen from 5 boys and 4 girls. In how many ways can this be done if the team must include at least one girl?
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Answer: B. 74
Explanation and discussion
Question 319· Polynomials· JAMB
Solve x/2 − (x − 1)/3 = 1.
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Answer: B. 4
Explanation and discussion
Question 320· Polynomials· JAMB
x = 2 is a root of x³ − 4x² + kx − 2 = 0. Find k.
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Answer: B. 5
Explanation and discussion

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JAMB Mathematics questions

In how many ways can a chairman and a secretary be chosen from 7 members?

A committee of 4 with exactly 2 women is chosen from 6 men and 4 women. In how many ways can this be done?

In how many ways can 2 prefects be chosen from 10 students (that is, ¹⁰C₂)?

In how many ways can a committee of 4 be chosen from 7 people?

Evaluate ⁶P₂.

In how many ways can the letters of the word ADMIT be arranged if A must come first?

The value of 0! is

In how many ways can first and second places be awarded among 9 runners?

How many different selections of 10 books can be made from 12 different books?

Ten people each shake hands once with every other person. How many handshakes take place?

A committee of 2 boys and 1 girl is to be chosen from 4 boys and 3 girls. In how many ways can this be done?

In how many ways can 5 people sit in a row of 5 chairs?

In how many ways can the letters of the word SEED be arranged?

In how many ways can all the letters of the word LAGOS be arranged?

In how many ways can first, second and third prizes be awarded among 5 students?

Evaluate ⁸C₃.

If ⁿC₂ = 15, find n.

A team of 3 is to be chosen from 5 boys and 4 girls. In how many ways can this be done if the team must include at least one girl?

Solve x/2 − (x − 1)/3 = 1.

x = 2 is a root of x³ − 4x² + kx − 2 = 0. Find k.