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Monday, 02 November 2026
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Mathematics Past Questions and Answers

Jamb 2015 Mathematics Questions

Question 71:
Simplify 4 √[(390695T− 8)½)]
  • A 1/T
  • B 2T
  • C 5/T
  • D T/5
View Answer & Explanation
Question 72:
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
Question 73:
Simplify \( \frac{1}{(x + 1)} + \frac{1}{(x − 1)} \)
  • A 2x/(x + 1)(x−3)
  • B 2/(x + 1)(x−1)
  • C 2x/(x + 1)2
  • D 2x(x+1)2
View Answer & Explanation
Question 74:
Calculate the value of x and y if (27x ÷ 81x+2y = 9 ,x + 4y = 0
  • A X = 1, y = 1/2
  • B X = 2, y = — 1/2
  • C X − 0, y = 1
  • D X = 2, y = —1
View Answer & Explanation
Question 75:
Simplify √30 x √40
  • A 10 √3
  • B 5 √3
  • C 20 √3
  • D 15 √3
View Answer & Explanation