Chapter 15 Probability- MCQ Online Test 3 Class 10 Maths

1. A letter of English alphabets is chosen at random. What will be the probability that the letter chosen is a vowel?
a. 17/26
b. 19/26
c. 5/26
d. 15/26
2. A lot consists of 40 mobile phones of which 32 are good, 3 have only minor defects and 5 have major defects. Ram will buy a phone if it is good or have minor defects. One phone is selected at random. What will be the probability that it is acceptable to Ram?
a. 17/26
b. 19/26
c. 7/8
d. 9/8
3. 1000 tickets of a lottery were sold and there are 5 prizes on these tickets. If Ramesh has purchased one lottery ticket, what is the probability of winning a prize?
a. 1/20
b. 12/500
c. 17/170
d. 1/200
4. The king, queen and jack of clubs are removed from a deck of 52 cards and the remaining cards are shuffled. A card is drawn from the remaining cards. What will be the probability of getting a king?
a. 3/49
b. 13/49
c. 3/4
d. 31/49
5. Which of the following cannot be the probability of an event?
a. 17/16
b. 5%
c. 1/3
d. 0.1
6. If the probability of an event is ‘p’, what will be the probability of its complementary event?
a. p
b. p + 1
c. p – 1
d. 1 – p
7. Three coins are tossed once. What will be the probability of getting two heads?
a. 1/8
b. 3/8
c. 5/8
d. 3/5
8. An event is unlikely to happen. Its probability is closest to which among the following?
a. 1
b. 0.1
c. 0.0001
d. 0.00001
9. A letter is chosen at random from the word ‘ASSASSINATION’. What will be the probability that it is a vowel?
a. 6/13
b. 11/13
c. 5/13
d. 13/6
10. A girl has a cube one letter written on each face, as shown below:
M, N, P, M, N, and M
The cube is thrown once. What will be the probability of getting M?
a. 1/3
b. 1/2
c. 2/5
d. 3/7