Probability - Jamb Mathematics Past Questions and Answers

Question 81:

• JAMB 2020

A crate of soft drinks contains 10 bottle of Coca-Cola 8 of Fanta and 6 of Sprite. If one bottle is selected at random, what is the probability that it is Not a Coca-Cola bottle?

A. \(\frac{5}{12}\)
B. \(\frac{1}{3}\)
C. \(\frac{3}{4}\)
D. \(\frac{7}{12}\)

Question 82:

• JAMB 2020

A number is selected at random between 20 and 30, both numbers inclusive. Find the probability that the number is a prime.

A. \(\frac{2}{11}\)
B. \(\frac{5}{11}\)
C. \(\frac{6}{11}\)
D. \(\frac{8}{11}\)

Question 83:

• JAMB 2021

Two numbers are removed at random from the numbers 1, 2, 3 and 4. What is the probability that the sum of the numbers removed is even?

A. \(\frac{2}{3}\)
B. \(\frac{1}{2}\)
C. \(\frac{1}{3}\)
D. \(\frac{1}{4}\)

Question 84:

• JAMB 2021

Find the probability that a number selected at random from 41 to 56 is a multiple of 9

A. \(\frac{1}{8}\)
B. \(\frac{2}{15}\)
C. \(\frac{3}{16}\)
D. \(\frac{7}{8}\)