Mathematics Practice Test – Probability (Questions with Answers and Explanations)

Hello and Welcome to Mathematics Practice Tests - Probability

1. You are to attempt 5 random objectives questions ONLY.
2. Supply Your Full Name and Location in the text box below and begin immediately.
3. You can attempt as many times as possible

A fair die is thrown once. Find the probability of getting a number less than 5. (NECO 2018)

A. $\frac{1}{6}$      B. $\frac{1}{2}$      C. $\frac{2}{3}$      D. $\frac{3}{4}$

Two numbers are selected at random from the integers 21 to 30 inclusive. Find the probability that one of the numbers is a multiple of 2 and the other a prime. (NECO 2018)

A. $\frac{1}{10}$     B. $\frac{1}{5}$     C. $\frac{3}{10}$     D. $\frac{1}{2}$

From the English Alphabet A - Z, a letter is chosen at random. What is the probability that it is a vowel?

A. $\frac{1}{26}$    B. $\frac{5}{26}$    C. $\frac{1}{21}$    D. $\frac{5}{21}$

Two dice are thrown together once. What is the probability that the sum of the scores is 8 or 10? (NECO 2016)

A. $\frac{1}{2}$     B. $\frac{2}{5}$     C. $\frac{1}{6}$     D. $\frac{2}{9}$

There are 9 red, 18 green and 27 white balls in a box. If a ball is picked at random, what is the probability that it is red or white ball? (NECO 2018)

A. $\frac{1}{6}$      B. $\frac{1}{2}$      C. $\frac{2}{3}$      D. $\frac{3}{4}$

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