WAEC Mathematics questions

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

1. Question 81· Fractions, decimals, approximations and percentages· WAEC

   Evaluate 0.25 × 0.4 ÷ 0.02.

   • A5
   • B0.5
   • C50
   • D0.05

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2. Question 82· Fractions, decimals, approximations and percentages· WAEC

   Find the amount after 2 years when ₦10,000 is invested at 10% per annum compound interest.

   • A₦11,000
   • B₦12,000
   • C₦12,100
   • D₦12,210

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3. Question 83· Fractions, decimals, approximations and percentages· WAEC

   Express 3/8 as a percentage.

   • A38%
   • B37.5%
   • C30.8%
   • D3.75%

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4. Question 84· Fractions, decimals, approximations and percentages· WAEC

   Divide ₦36,000 among Ada, Bola and Chidi in the ratio 2 : 3 : 4. Bola's share is

   • A₦16,000
   • B₦8,000
   • C₦12,000
   • D₦9,000

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5. Question 85· Fractions, decimals, approximations and percentages· WAEC

   Find the simple interest on ₦45,000 for 4 years at 6% per annum.

   • A₦10,800
   • B₦2,700
   • C₦12,000
   • D₦9,600

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6. Question 86· Fractions, decimals, approximations and percentages· WAEC

   The price of a shirt is reduced by 20% to ₦4,800. The original price was

   • A₦6,400
   • B₦5,760
   • C₦5,600
   • D₦6,000

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7. Question 87· Fractions, decimals, approximations and percentages· WAEC

   Write 0.0000306 in standard form.

   • A3.06 × 10⁻⁵
   • B3.06 × 10⁻⁶
   • C3.6 × 10⁻⁵
   • D3.06 × 10⁵

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8. Question 88· Fractions, decimals, approximations and percentages· WAEC

   Simplify 1 3/4 + 2 1/3.

   • A4 1/12
   • B3 4/7
   • C4 1/7
   • D3 1/12

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9. Question 89· Indices, logarithms and surds· WAEC

   Evaluate 2⁻³.

   • A−8
   • B1/6
   • C−6
   • D1/8

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10. Question 90· Indices, logarithms and surds· WAEC

    Evaluate (8/27)^(−2/3).

    • A9/4
    • B4/9
    • C3/2
    • D2/3

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11. Question 91· Indices, logarithms and surds· WAEC

    Evaluate (1/16)^(−1/2).

    • A8
    • B−4
    • C1/4
    • D4

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12. Question 92· Indices, logarithms and surds· WAEC

    Evaluate log₁₀ 100 + log₁₀ 10.

    • A3
    • B2
    • C110
    • D1,000

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13. Question 93· Indices, logarithms and surds· WAEC

    Rationalise 14/√7.

    • A14√7
    • B7√2
    • C√7/2
    • D2√7

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14. Question 94· Indices, logarithms and surds· WAEC

    Given log 3 = 0.4771, find log 27.

    • A1.9084
    • B0.9542
    • C1.4313
    • D0.4771

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15. Question 95· Indices, logarithms and surds· WAEC

    Simplify √75 − √27.

    • A2√3
    • B√48
    • C8√3
    • D4√3

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16. Question 96· Indices, logarithms and surds· WAEC

    Evaluate 125^(2/3).

    • A5
    • B25
    • C50
    • D15

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17. Question 97· Indices, logarithms and surds· WAEC

    Without tables, simplify log 50 + log 4 − log 2 (logarithms to base ten).

    • Alog 52
    • B1
    • C2
    • D3

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18. Question 98· Indices, logarithms and surds· WAEC

    Rationalise 10/√5.

    • A10√5
    • B5√2
    • C2√5
    • D√5/2

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19. Question 99· Indices, logarithms and surds· WAEC

    Given that log₁₀ 2 = 0.3010, find log₁₀ 8.

    • A0.6020
    • B0.9030
    • C2.4080
    • D0.0903

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20. Question 100· Indices, logarithms and surds· WAEC

    Evaluate log₄ 64 + log₅ 25.

    • A6
    • B5
    • C4
    • D89

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