Search SchoolNGR

Wednesday, 22 April 2026
Register . Login

Mathematics Past Questions and Answers

Jamb 2015 Mathematics Questions

Question 71:
X and Y are two sets such that n(X) = 15, n(Y) = 12 and n{X ∩ Y} = 7. Find ∩{X ∪ Y}
  • A 21
  • B 225
  • C 15
  • D 20
View Answer & Explanation
Question 72:
Find the x and y intercepts of the graph of 3x - z \(\leq\) 9
  • A (3, -9)
  • B (-3, 9)
  • C (-3, -9)
  • D (-3, 0)
View Answer & Explanation
Question 73:
Simplify log101.5 + 3 log102 − log100.3
  • A Log<sub style='font-size: smaller;'>10</sub>4
  • B Log<sub style='font-size: smaller;'>10</sub>40
  • C Log<sub style='font-size: smaller;'>10</sub>-40
  • D Log<sub style='font-size: smaller;'>10</sub>4<sup style='font-size: smaller;'>-</sup>
View Answer & Explanation
Question 74:
Find the total surface area of a cylinder of base radius 5cm and length 7cm ( π = 3.14)
  • A 17.8cm<sup style='font-size: smaller;'>2</sup>
  • B 15.8cm<sup style='font-size: smaller;'>2</sup>
  • C 75.4cm<sup style='font-size: smaller;'>2</sup>
  • D 54.7cm<sup style='font-size: smaller;'>2</sup>
  • E \(377.1cm^{2}\)
View Answer & Explanation
Question 75:
If x + y = 90 simplify (sinx + siny)2−2sinxsiny
  • A 1
  • B O
  • C 2
  • D -1
View Answer & Explanation