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Sunday, 19 April 2026
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Mathematics Past Questions and Answers

Jamb Mathematics Questions

Question 2386:
JAMB 2021
Factorize completely 81a\(^4\) - 16b\(^4\)
SchoolNGR Classroom
  • A (3a + 2b)(2a - 3b)(9a<sup style='font-size: smaller;'>2</sup> + 4b<sup style='font-size: smaller;'>2</sup>)
  • B (3a - 2b)(2a - 3b)(4a<sup style='font-size: smaller;'>2</sup> - 9b<sup style='font-size: smaller;'>2</sup>)
  • C (3a - 2b)(3a + 2b)(9a<sup style='font-size: smaller;'>2</sup> + 4b<sup style='font-size: smaller;'>2</sup>)
  • D (6a - 2b)(8a - 3b)(4a<sup style='font-size: smaller;'>3</sup> - 9b<sup style='font-size: smaller;'>2</sup>)
View Answer & Explanation
Question 2387:
JAMB 2021
Musa borrows N10.00 at 2% per month simple interest and repays N8.00 after 4 months. How much does he still owe?
SchoolNGR Classroom
  • A N10.80
  • B N10.67
  • C N2.80
  • D N2.67
View Answer & Explanation
Question 2388:
JAMB 2021
Simplify 2log \(\frac{2}{5}\) - log\(\frac{72}{125}\) + log 9
SchoolNGR Classroom
  • A 1 - 4 log3
  • B -1 + 2 log 3
  • C -1 + 5 log2
  • D 1 - 2log 2
View Answer & Explanation
Question 2389:
JAMB 2021
A car travels from calabar to Enugu, a distance of P km with an average speed of U km per hour and continues to benin, a distance of Q km, with an average speed of Wkm per hour. Find its average speed from Calabar to Benin
SchoolNGR Classroom
  • A \(\frac{(p + q)}{pw + qu}\)
  • B \(\frac{uw(p + q)}{pw + qu}\)
  • C \(\frac{uw(p + q)}{pw}\)
  • D \(\frac{uw}{pw + qu}\)
View Answer & Explanation
Question 2390:
JAMB 2021
If w varies inversely as \(\frac{uv}{u + v}\) and w = 8 when

u = 2 and v = 6, find a relationship between u, v, w.
SchoolNGR Classroom
  • A Uvw = 16(u + v)
  • B 16uv = 3w(u + v)
  • C Uvw = 12(u + v)
  • D 12uvw = u + v
View Answer & Explanation

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