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JAMB and WAEC Mathematics questions

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

AllJAMBWAEC
All topicsBinary operations · 35Coordinate geometry · 46Differentiation · 24Euclidean geometry · 51Fractions, decimals, approximations and percentages · 56Indices, logarithms and surds · 59Inequalities · 41Integration · 23Loci · 31Matrices and determinants · 25Mensuration · 53Number bases · 49Permutation and combination · 22Polynomials · 57Probability · 48Progressions · 48Sets · 46Statistics · 53Trigonometry · 52Variation · 42

  1. Question 641· Progressions· WAEC

    Find the 5th term of the geometric progression 3, 12, 48, ...

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    Answer: D. 768

    Explanation and discussion

  2. Question 642· Progressions· JAMB

    Find the sum of the first 8 terms of the arithmetic progression 3, 7, 11, …

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    Answer: C. 136

    Explanation and discussion

  3. Question 643· Progressions· JAMB

    The sum of the first n terms of an AP is n² + 2n. Find the 5th term.

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    Answer: D. 11

    Explanation and discussion

  4. Question 644· Progressions· JAMB

    Find the nth term of the sequence 5, 9, 13, …

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    Answer: D. 4n + 1

    Explanation and discussion

  5. Question 645· Progressions· JAMB

    Find the sum 1 + 2 + 4 + 8 + … + 128.

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    Answer: D. 255

    Explanation and discussion

  6. Question 646· Progressions· WAEC

    Find the sum to infinity of the series 8 + 4 + 2 + ...

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    Answer: B. 16

    Explanation and discussion

  7. Question 647· Progressions· WAEC

    Find the sum to infinity of the geometric progression 24, 12, 6, ...

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    Answer: D. 48

    Explanation and discussion

  8. Question 648· Progressions· JAMB

    Find the sum of the first 5 terms of the geometric progression 3, 6, 12, …

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    Answer: A. 93

    Explanation and discussion

  9. Question 649· Progressions· JAMB

    Find the 6th term of the geometric progression 2, 6, 18, …

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    Answer: B. 486

    Explanation and discussion

  10. Question 650· Progressions· WAEC

    Find the sum of the first 8 terms of the A.P. 2, 5, 8, …

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    Answer: C. 100

    Explanation and discussion

  11. Question 651· Progressions· WAEC

    Find the 10th term of the A.P. 3, 7, 11, …

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    Answer: B. 39

    Explanation and discussion

  12. Question 652· Progressions· JAMB

    The first term of an arithmetic progression is 5 and the 10th term is 32. Find the common difference.

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    Answer: C. 3

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  13. Question 653· Progressions· WAEC

    How many terms are in the A.P. 5, 9, 13, …, 81?

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    Answer: D. 20

    Explanation and discussion

  14. Question 654· Progressions· JAMB

    The sum of the first n terms of an arithmetic progression is n² + 2n. Find the first term.

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    Answer: D. 3

    Explanation and discussion

  15. Question 655· Progressions· WAEC

    Find the 6th term of the geometric progression 3, 6, 12, ...

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    Answer: C. 96

    Explanation and discussion

  16. Question 656· Progressions· JAMB

    Insert two arithmetic means between 5 and 20.

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    Answer: B. 10 and 15

    Explanation and discussion

  17. Question 657· Progressions· WAEC

    The first term of a geometric progression is 3 and the common ratio is 2. Find the 5th term.

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    Answer: A. 48

    Explanation and discussion

  18. Question 658· Progressions· JAMB

    The second and fifth terms of a geometric progression are 6 and 162. Find the common ratio.

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    Answer: D. 3

    Explanation and discussion

  19. Question 659· Progressions· WAEC

    The 3rd term of an arithmetic progression is 11 and the 7th term is 27. Find the common difference.

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    Answer: B. 4

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  20. Question 660· Progressions· WAEC

    Find the sum of the first 15 terms of the A.P. 7, 11, 15, …

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    Answer: C. 525

    Explanation and discussion

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