JAMB Mathematics questions

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

1. Question 161· Inequalities· JAMB

   Which odd integer satisfies 3 ≤ x < 5?

   • A1
   • B5
   • C4
   • D3

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   Explanation and discussion

2. Question 162· Inequalities· JAMB

   Solve 3(x − 2) ≥ 2x + 1.

   • Ax ≥ 5
   • Bx ≤ 7
   • Cx ≥ 7
   • Dx ≤ −7

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   Explanation and discussion

3. Question 163· Inequalities· JAMB

   Solve −3 < 2x + 1 ≤ 7.

   • A−1 < x ≤ 4
   • B−2 < x ≤ 3
   • C−2 ≤ x < 3
   • D−4 < x ≤ 6

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4. Question 164· Inequalities· JAMB

   Find the greatest integer x for which 4x − 3 < 13.

   • A2
   • B4
   • C5
   • D3

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   Explanation and discussion

5. Question 165· Inequalities· JAMB

   Find the range of values of x for which x² − 4 < 0.

   • Ax < 2
   • Bx < −2 or x > 2
   • C−2 < x < 2
   • Dx > −2

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6. Question 166· Inequalities· JAMB

   Solve 3x − 7 < 5.

   • Ax > 4
   • Bx < 4
   • Cx < −4
   • Dx ≤ 4

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   Explanation and discussion

7. Question 167· Inequalities· JAMB

   Solve |x − 2| < 3.

   • Ax > −1
   • Bx < 5
   • C−1 < x < 5
   • D−5 < x < 1

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8. Question 168· Inequalities· JAMB

   Find the smallest integer x for which 2x + 5 > 12.

   • A5
   • B3
   • C4
   • D7

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   Explanation and discussion

9. Question 169· Inequalities· JAMB

   Solve 7 − 3x ≤ 1.

   • Ax ≥ 2
   • Bx ≤ 2
   • Cx ≥ −2
   • Dx ≤ −2

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10. Question 170· Inequalities· JAMB

    Which point lies in the region y > 2x − 1?

    • A(0, 0)
    • B(2, 1)
    • C(3, 4)
    • D(1, 0)

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    Explanation and discussion

11. Question 171· Inequalities· JAMB

    Find the range of values of x for which 2 − x ≥ 3x − 6.

    • Ax ≤ −2
    • Bx ≥ 2
    • Cx ≤ 2
    • Dx ≥ 1

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    Explanation and discussion

12. Question 172· Inequalities· JAMB

    Which point satisfies all of x + y ≤ 4, x ≥ 0 and y ≥ 0?

    • A(3, 2)
    • B(1, 2)
    • C(−1, 1)
    • D(5, 0)

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13. Question 173· Inequalities· JAMB

    Find the range of values of x for which x² − x − 6 > 0.

    • A−2 < x < 3
    • Bx < −2 or x > 3
    • Cx > 3 only
    • Dx < −3 or x > 2

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14. Question 174· Inequalities· JAMB

    For what values of x is the expression x² + 2x − 15 negative?

    • A−3 < x < 5
    • Bx < −5 or x > 3
    • C−5 < x < 3
    • Dx > 3

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15. Question 175· Inequalities· JAMB

    Which of the following points lies in the region y > 2x?

    • A(2, 3)
    • B(1, 3)
    • C(3, 5)
    • D(1, 1)

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16. Question 176· Inequalities· JAMB

    Solve 2x² ≤ 8.

    • Ax ≥ 2 or x ≤ −2
    • Bx ≤ 2
    • C−2 ≤ x ≤ 2
    • D0 ≤ x ≤ 2

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17. Question 177· Inequalities· JAMB

    Solve |2x + 1| ≤ 5.

    • A−6 ≤ x ≤ 4
    • B−2 ≤ x ≤ 3
    • Cx ≤ 2
    • D−3 ≤ x ≤ 2

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18. Question 178· Inequalities· JAMB

    Solve (x + 3)/2 < (2x − 1)/3.

    • Ax < 11
    • Bx > 11
    • Cx > −11
    • Dx < 7

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19. Question 179· Integration· JAMB

    Evaluate the integral of x³ from x = 1 to x = 2.

    • A15
    • B4
    • C7/4
    • D15/4

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    Explanation and discussion

20. Question 180· Integration· JAMB

    Find ∫ sin x dx.

    • Asin x + c
    • Bcos x + c
    • C−cos x + c
    • D−sin x + c

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    Explanation and discussion