JAMB and WAEC Mathematics questions

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

1. Question 401· Mensuration· JAMB

   Find the volume of a hemisphere of radius 3 cm. (Take π = 22/7.)

   • A113.1 cm³
   • B56.6 cm³
   • C28.3 cm³
   • D18.9 cm³

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   Explanation and discussion

2. Question 402· Mensuration· JAMB

   Find the area of a trapezium whose parallel sides are 8 cm and 12 cm and whose height is 5 cm.

   • A100 cm²
   • B50 cm²
   • C40 cm²
   • D25 cm²

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   Explanation and discussion

3. Question 403· Mensuration· JAMB

   Find the area of a circle of radius 7 cm. (Take π = 22/7.)

   • A154 cm²
   • B44 cm²
   • C22 cm²
   • D308 cm²

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   Explanation and discussion

4. Question 404· Mensuration· WAEC

   The volume of a cone of radius 3 cm and height 7 cm is (π = 22/7)

   • A66 cm³
   • B198 cm³
   • C22 cm³
   • D132 cm³

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   Explanation and discussion

5. Question 405· Mensuration· WAEC

   Find the area of a parallelogram with base 9 cm and height 6 cm.

   • A54 cm²
   • B27 cm²
   • C30 cm²
   • D15 cm²

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   Explanation and discussion

6. Question 406· Mensuration· WAEC

   Find the area of a sector of radius 6 cm and angle 60°, to one decimal place. (Take π = 22/7.)

   • A6.3 cm²
   • B113.1 cm²
   • C37.7 cm²
   • D18.9 cm²

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   Explanation and discussion

7. Question 407· Mensuration· WAEC

   A rectangular tank 2 m by 1.5 m by 1 m is full of water. Its capacity in litres is

   • A30,000
   • B300
   • C3,000
   • D4,500

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   Explanation and discussion

8. Question 408· Mensuration· JAMB

   The area of a sector of a circle of radius 14 cm is 77 cm². Find the angle of the sector. (Take π = 22/7.)

   • A30°
   • B60°
   • C45°
   • D90°

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   Explanation and discussion

9. Question 409· Mensuration· WAEC

   Find the length of an arc that subtends 60° at the centre of a circle of radius 21 cm (π = 22/7).

   • A22 cm
   • B44 cm
   • C11 cm
   • D66 cm

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   Explanation and discussion

10. Question 410· Mensuration· JAMB

    Find the total surface area of a cube of side 4 cm.

    • A16 cm²
    • B64 cm²
    • C96 cm²
    • D48 cm²

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    Explanation and discussion

11. Question 411· Mensuration· JAMB

    Find the area of a sector of radius 6 cm and angle 60°. [π = 22/7]

    • A37.71 cm²
    • B6.29 cm²
    • C18.86 cm²
    • D113.14 cm²

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    Explanation and discussion

12. Question 412· Mensuration· JAMB

    Find the curved surface area of a cone with base radius 7 cm and slant height 10 cm. (Take π = 22/7.)

    • A374 cm²
    • B154 cm²
    • C220 cm²
    • D440 cm²

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    Explanation and discussion

13. Question 413· Mensuration· JAMB

    Find the total surface area of a closed cylinder of radius 7 cm and height 10 cm. (Take π = 22/7.)

    • A440 cm²
    • B748 cm²
    • C594 cm²
    • D1540 cm²

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    Explanation and discussion

14. Question 414· Mensuration· WAEC

    Find the circumference of a circle of radius 7 cm. (Take π = 22/7)

    • A44 cm
    • B22 cm
    • C154 cm
    • D88 cm

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    Explanation and discussion

15. Question 415· Mensuration· JAMB

    The circumference of a circle is 44 cm. Find its radius. (Take π = 22/7.)

    • A22 cm
    • B14 cm
    • C3.5 cm
    • D7 cm

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16. Question 416· Mensuration· WAEC

    Find the area of a rectangle 12 cm long and 7 cm wide.

    • A38 cm²
    • B84 cm²
    • C19 cm²
    • D168 cm²

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    Explanation and discussion

17. Question 417· Mensuration· WAEC

    Find the circumference of a circle of radius 14 cm. (Take π = 22/7.)

    • A88 cm
    • B44 cm
    • C616 cm
    • D176 cm

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    Explanation and discussion

18. Question 418· Mensuration· WAEC

    Find the volume of a cone of base radius 3 cm and height 7 cm. [π = 22/7]

    • A66 cm³
    • B198 cm³
    • C22 cm³
    • D132 cm³

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    Explanation and discussion

19. Question 419· Mensuration· JAMB

    Find the volume of a cylinder of radius 7 cm and height 10 cm. (Take π = 22/7.)

    • A3080 cm³
    • B440 cm³
    • C220 cm³
    • D1540 cm³

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    Explanation and discussion

20. Question 420· Mensuration· JAMB

    Find the volume of a cuboid measuring 5 cm by 4 cm by 3 cm.

    • A60 cm³
    • B12 cm³
    • C47 cm³
    • D94 cm³

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    Explanation and discussion