Class 10 - Mathematics

Probability Online MCQ Test

Olympiad Level MCQs Also Included

Set-1 Set-2

1. The probability of getting a bad egg in a lot of 400 is 0.035. The number of bad eggs in the lot is

(A) 7
(B) 14
(C) 21
(D) 28

2. A girl calculates that the probability of her winning the first prize in a lottery is 0.08. If 6000 tickets are sold, how many tickets has she bought?

(A) 40
(B) 240
(C) 480
(D) 750

3. One ticket is drawn at random from a bag containing tickets numbered 1 to 40. The probability that the selected ticket has a number which is a multiple of 5 is

(A) `\frac{1}{5}`
(B) `\frac{3}{5}`
(C) `\frac{4}{5}`
(D) `\frac{1}{3}`

4. Someone is asked to take a number from 1 to 100. The probability that it is a prime is

(A) `\frac{1}{5}`
(B) `\frac{6}{25}`
(C) `\frac{1}{4}`
(D) `\frac{13}{50}`

5. A school has five houses A, B, C, D, and E. A class has 23 students, 4 from house A, 8 from house B, 5 from house C, 2 from house D, and the rest from house E. A single student is selected at random to be the class monitor. The probability that the selected student is not from A, B, and C is

(A) `\frac{4}{23}`
(B) `\frac{6}{23}`
(C) `\frac{8}{23}`
(D) `\frac{17}{23}`

6. Which of the the following can be the probability of an event?

(A) `-0.04`
(B) 1.004
(C) `\frac{18}{23}`
(D) `\frac{8}{7}`

7. In a deck of 52 cards, two cards are drawn without replacement. What is the probability that both cards are aces?

(A) `\frac{3}{13}`
(B) `\frac{4}{13}`
(C) `\frac{6}{13}`
(D) `\frac{9}{13}`

8. A box contains 5 white balls, 4 black balls, and 3 red balls. If two balls are drawn randomly without replacement, what is the probability that one ball is white and the other is red?

(A) `\frac{1}{5}`
(B) `\frac{1}{3}`
(C) `\frac{7}{15}`
(D) `\frac{8}{15}`

9. A deck of 52 cards is shuffled and a card is drawn at random. What is the probability that it is a face card (king, queen, or jack) or a 7?

(A) `\frac{11}{52}`
(B) `\frac{4}{13}`
(C) `\frac{16}{52}`
(D) `\frac{4}{13}`

10. Two dice are thrown together. What is the probability that the sum of the numbers on the two dice is a prime number?

(A) `\frac{15}{36}`
(B) `\frac{11}{36}`
(C) `\frac{17}{36}`
(D) `\frac{25}{36}`