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Friday, 07 August 2026
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Mathematics Past Questions and Answers

Jamb Mathematics Questions

Question 416:
Find the median of 5,9,1,10,3,8,9,2,4,5,5,5,7,3 and 6
  • A 6
  • B 5
  • C 4
  • D 3
View Answer & Explanation
Question 417:
Find the standard deviation of 5, 4, 3, 2, 1
  • A \(\sqrt{2}\)
  • B \(\sqrt{3}\)
  • C \(\sqrt{6}\)
  • D \(\sqrt{10}\)
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Question 418:
In how many ways can a team of 3 girls be selected from 7 girls?
  • A \(\frac{7!}{3!}\)
  • B \(\frac{7!}{4!}\)
  • C \(\frac{7!}{3!4!}\)
  • D \(\frac{7!}{2!5!}\)
View Answer & Explanation
Question 419:
\(\begin{array}{c|c}
Numbers & 1 & 2 & 3 & 4 & 5 & 6 \\
\hline
Frequency & 18 & 22 & 20 & 16 & 10 & 14
\end{array}\)
The table above represents the outcome of throwing a die 100 times. What is the probability of obtaining at least a 4?
  • A \(\frac{1}{5}\)
  • B \(\frac{1}{2}\)
  • C \(\frac{2}{5}\)
  • D \(\frac{3}{4}\)
View Answer & Explanation
Question 420:
A number is chosen at random from 10 to 30 both inclusive. What is the probability that the number is divisible by 3?
  • A \(\frac{2}{15}\)
  • B \(\frac{1}{10}\)
  • C \(\frac{1}{3}\)
  • D \(\frac{2}{5}\)
View Answer & Explanation