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Wednesday, 22 April 2026
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Mathematics Past Questions and Answers

Jamb 2015 Mathematics Questions

Question 61:
If duty is levied at 25%, find the duty to be added to a bill of N80.
  • A N100
  • B N20
  • C N80
  • D N150
View Answer & Explanation
Question 62:
Simplify 2.04 x 3.7 (Leave your answer in 2 decimal place)
  • A 7.51
  • B 7.71
  • C 5.5
  • D 7.55
View Answer & Explanation
Question 63:
A public car dealer marked up the cost of a car at 30% in an attempt to make 20% gross profit. Due to the value of dollar, he now placed 20% discount on the car. What profit or loss will he make?
  • A 3%
  • B 2%
  • C 4%
  • D 1%
View Answer & Explanation
Question 64:
Rationalize 5 ÷ (2 − √3)
  • A 3(2 + √5)
  • B 2(3 + √5)
  • C 5(2 + √3)
  • D 3 √2 + 1
View Answer & Explanation
Question 65:
Factorize \( a^2 − b^2 − 4a + 4 \)
  • A (a + b)(a − b)
  • B (a − 2 + b)
  • C (a + 1)(a − 2 + b)
  • D (a + b) 2
View Answer & Explanation