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Thursday, 05 March 2026
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Mathematics Past Questions and Answers

Jamb Mathematics Questions

Question 6:
Simplify \(\sqrt[3]{(64r^{-6})^{\frac{1}{2}}}\)
  • A \(\frac{r}{2}\)
  • B 2r
  • C \(\frac{1}{2r}\)
  • D \(\frac{2}{r}\)
View Answer & Explanation
Question 7:
What is the different between 0.007685 correct to three significant figures and 0.007685 correct to four places of decimal?
  • A 10-5
  • B 7 x 10-4
  • C 8 x 10-5
  • D 10-6
View Answer & Explanation
Question 8:
If a : b = 5 : 8, x : y = 25 : 16; evaluate \(\frac{a}{x}\) : \(\frac{b}{y}\)
  • A 125 : 128
  • B 3 : 5
  • C 3 : 4
  • D 2 : 5
View Answer & Explanation
Question 9:
Oke deposited N800.00 in the bank at the rate of 12\(\frac{1}{2}\)% simple interest. After some time the total amount was one and half times the principal. For how many years was the money left in the bank?
  • A 2\(\frac{2}{3}\)
  • B 4
  • C 5\(\frac{1}{3}\)
  • D 8
View Answer & Explanation
Question 10:
If the surface area of a sphere increased by 44%, find the percentage increase in diameter
  • A 44
  • B 30
  • C 22
  • D 20
View Answer & Explanation