JAMB and WAEC Mathematics questions

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

1. Question 261· Indices, logarithms and surds· JAMB

   Solve for x: 3^(2x) = 81.

   • A1
   • B2
   • C3
   • D4

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2. Question 262· Indices, logarithms and surds· JAMB

   Solve 2^(2x) − 6(2^x) + 8 = 0.

   • Ax = 1 or x = 3
   • Bx = 2 or x = 4
   • Cx = 1 or x = 2
   • Dx = 0 or x = 2

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3. Question 263· Indices, logarithms and surds· WAEC

   Simplify log 8 + log 5 − log 4, where the logarithms are to base 10.

   • A0
   • B1
   • C2
   • Dlog 9

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4. Question 264· Indices, logarithms and surds· JAMB

   Rationalise the denominator of 1/(√3 − 1).

   • A(√3 + 1)/2
   • B(√3 − 1)/2
   • C√3 + 1
   • D(√3 + 1)/4

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5. Question 265· Indices, logarithms and surds· WAEC

   Solve 3^(x + 1) = 81.

   • A27
   • B4
   • C2
   • D3

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6. Question 266· Indices, logarithms and surds· JAMB

   Solve 9^x = 27.

   • A1/3
   • B2/3
   • C3
   • D3/2

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7. Question 267· Indices, logarithms and surds· JAMB

   Simplify 2 log₁₀ 5 + log₁₀ 4.

   • A2
   • B1
   • Clog₁₀ 29
   • D10

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8. Question 268· Indices, logarithms and surds· WAEC

   Simplify 27^(2/3).

   • A9
   • B6
   • C18
   • D3

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9. Question 269· Indices, logarithms and surds· WAEC

   Rationalise 6/√3.

   • A6√3
   • B3√2
   • C2√3
   • D√3/2

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10. Question 270· Indices, logarithms and surds· WAEC

    Simplify 2⁵ × 2⁻³ ÷ 2⁻¹.

    • A8
    • B2
    • C4
    • D16

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11. Question 271· Indices, logarithms and surds· JAMB

    Solve 4^x − 3(2^x) + 2 = 0.

    • Ax = 0 or 2
    • Bx = 1 or 2
    • Cx = 0 or 1
    • Dx = 1 only

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12. Question 272· Inequalities· WAEC

    How many integers x satisfy −2 ≤ x + 1 < 4?

    • A6
    • B5
    • C7
    • D4

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13. Question 273· Inequalities· JAMB

    Solve 4x + 3 > 2x − 5.

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

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14. Question 274· Inequalities· WAEC

    For what values of x is −2 ≤ 3x + 4 < 10?

    • A2 ≤ x < 6
    • B−6 ≤ x < 6
    • C−2 ≤ x < 2
    • D−2 < x ≤ 2

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15. Question 275· Inequalities· JAMB

    Solve 5 − 2x > 11.

    • Ax < −3
    • Bx > −3
    • Cx < 3
    • Dx > 3

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16. Question 276· Inequalities· JAMB

    What is the largest integer x that satisfies 5 − 2x > 1?

    • A0
    • B2
    • C1
    • D3

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17. Question 277· Inequalities· JAMB

    Solve x² − 9 ≥ 0.

    • Ax ≤ −3 or x ≥ 3
    • B−3 ≤ x ≤ 3
    • Cx ≥ 3 only
    • Dx ≤ 9

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18. Question 278· Inequalities· WAEC

    Solve 4x + 3 > 15.

    • Ax < 4.5
    • Bx < 3
    • Cx > 4.5
    • Dx > 3

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19. Question 279· Inequalities· WAEC

    Solve x/4 − 1 ≤ 2.

    • Ax ≥ 12
    • Bx ≤ 4
    • Cx ≤ 6
    • Dx ≤ 12

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20. Question 280· Inequalities· JAMB

    Solve (2x + 1)/3 − (x − 2)/4 ≥ 2.

    • Ax ≥ 34/5
    • Bx ≤ 14/5
    • Cx ≥ 2
    • Dx ≥ 14/5

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