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Saturday, 07 November 2026
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Mathematics Past Questions and Answers

Jamb 2017 Mathematics Questions

Question 51:
If temperature t is directly proportional to heat h, and when t = 20oC, h = 50 J, find t when h = 60J
  • A 24<sup style='font-size: smaller;'>o</sup>C
  • B 20<sup style='font-size: smaller;'>o</sup>C
  • C 34<sup style='font-size: smaller;'>o</sup>C
  • D 30<sup style='font-size: smaller;'>o</sup>C
View Answer & Explanation
Question 52:
Simplify 3 \(^{n − 1}\) x \(\frac{27^{n + 1}}{81^n}\)
  • A 3\(^{2n}\)
  • B 9
  • C 3<sup style='font-size: smaller;'>n</sup>
  • D 3 \(^{n + 1}\)
View Answer & Explanation
Question 53:
Given T = {even numbers from 1 to 12}
N = {common factors of 6, 8 and 12} Find T n N
  • A {2, 3}
  • B {2, 3, 4}
  • C {3, 4, 6}
  • D {2}
View Answer & Explanation
Question 54:
Find the sum to infinity of the series
\(\frac{1}{4}\), \(\frac{1}{8}\), \(\frac{1}{16}\),..........
  • A \(\frac{1}{2}\)
  • B \(\frac{3}{5}\)
  • C \(\frac{-1}{5}\)
  • D \(\frac{73}{12}\)
View Answer & Explanation
Question 55:
A cylindrical tank has a capacity of 3080m3. What is the depth of the tank if the diameter of its base is 14m? Take pi = 22/7.
  • A 23m
  • B 25m
  • C 20m
  • D 22m
View Answer & Explanation