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Wednesday, 22 April 2026
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Mathematics Past Questions and Answers

Jamb 2015 Mathematics Questions

Question 101:
The probability of an event A is 1/5. The probability of B is 1/3 . The probability both A and B is 1/15. What is the probability of either event A or B or both
  • A \( \frac{2}{15} \)
  • B \( \frac{3}{4} \)
  • C \( \frac{7}{15} \)
  • D \( \frac{1}{15} \)
View Answer & Explanation
Question 102:
Simplify 4 √[(390695T− 8)½)]
  • A 1/T
  • B 2T
  • C 5/T
  • D T/5
View Answer & Explanation
Question 103:
If (159.75)10 = (y)6. Find x
  • A X<sub style='font-size: smaller;'>6</sub> = 123.34<sub style='font-size: smaller;'>6</sub>
  • B X<sub style='font-size: smaller;'>6</sub> = 424.5<sub style='font-size: smaller;'>6</sub>
  • C X<sub style='font-size: smaller;'>6</sub> = 122.43<sub style='font-size: smaller;'>6</sub>
  • D X<sub style='font-size: smaller;'>6</sub> = 124.45<sub style='font-size: smaller;'>6</sub>
View Answer & Explanation
Question 104:
A man bought a car for N800 and sold it for N520. Find his loss per cent
  • A 15%
  • B 25%
  • C 35%
  • D 10%
View Answer & Explanation
Question 105:
Simplify \(6\frac{1}{12} − 2 ¾ + 1 ½ \)
  • A \( 3 \frac{5}{6}\)
  • B \( 4 \frac{5}{6}\)
  • C \( 2 \frac{1}{6}\)
  • D \( \frac{1}{3} \)
View Answer & Explanation