Probability - Jamb Mathematics Past Questions and Answers

Question 21:

• JAMB 1983

The letters of the word MATRICULATION are cut and put into a box. One letter is drawn at random from the box. Find the probability of drawing a vowel

A. \(\frac{7}{13}\)
B. \(\frac{5}{13}\)
C. \(\frac{6}{13}\)
D. \(\frac{8}{13}\)
E. \(\frac{4}{13}\)

Question 22:

• JAMB 1984

Bola choose at random a number between 1 and 300. What is the probability that the number is divisible by 4?

A. \(\frac{1}{4}\)
B. \(\frac{4}{4}\)
C. \(\frac{6}{4}\)
D. \(\frac{7}{4}\)
E. \(\frac{37}{149}\)

Question 23:

• JAMB 1984

Two fair dice are rolled. What is the probability that both show up the same number of points.

A. \(\frac{1}{36}\)
B. \(\frac{7}{36}\)
C. \(\frac{1}{2}\)
D. \(\frac{1}{3}\)
E. \(\frac{1}{6}\)

Question 24:

• JAMB 1985

If two fair coins are tossed, what is the probability of getting at least one head?

A. \(\frac{1}{4}\)
B. \(\frac{1}{2}\)
C. 1
D. \(\frac{43}{78}\)
E. \(\frac{3}{4}\)

Question 25:

• JAMB 1985

What is the probability that a number chosen at random from the intergers between 1 and 10 inclusive is either a prime or a multiple of 3?

A. \(\frac{7}{10}\)
B. \(\frac{3}{5}\)
C. \(\frac{4}{5}\)
D. \(\frac{3}{10}\)