Probability (Quiz) Level - 2


1. Two coins are tossed simultaneously. The probability of getting exactly one head is :
(a) 1 4        (b) 1 2   (c) 3 4        (d)  1 3


2. From a well shuffled pack or cards, a card is drawn at random. The probability of getting a black queen is:
(a) 1 52        (b)1  (c) 1 26        (d)  1 13


3. If P (E) = 0.05. Then the probability of ‘not E' is :


4. When two coins are tossed simultaneously; then the probability of getting no head is :
(a) 1 4        (b) 4 3   (c) 1 2        (d)  3 4


5. In a single throw of a pair or dice, the probability of getting the sum a perfect square is:
(a) 1 6        (b) 1 9   (c) 7 36        (d)  5 36


6. Someone is asked to choose a number from 1 to 100. The probability of it being a prime number is:
(a) 1 5        (b) 1 4   (c) 3 10        (d)  2 5


7. Cards marked with number 3, 4, 5,......... 50 are placed in a box and mixed thoroughly. A card is drawn at random from the box. The probability that the selected card bears a perfect square number is :
(a) 3 25        (b) 7 50   (c) 1 6        (d)  1 8


8. A card is drawn at random from a well shuffled Pack of 52 playing cards. The probability of getting neither a red card nor a queen is :
(a) 1 2        (b) 6 13   (c) 11 26        (d)  7 13


9. 20 tickets, on which numbers 1 to 20 are written, are mixed throughly and then a ticket is drawn at random out of them. The probability that the number on the drawn ticket is a multiple of 3 or 7is :
(a) 2 5        (b) 1 2   (c) 3 5        (d) 3 10


10. Two dice are thrown at the same time and the product of numbers appearing on them is noted. Then the probability of a prime number product is :
(a) 7 36        (b) 5 36   (c) 2 9        (d) 1 6


11. What is the probability that a number selected from the numbers 1 to 25 is not a prime number when each of the given numbers is equally likely to be selected.
(a) 7 25        (b) 9 25   (c) 16 25        (d) 12 25


12. One card is drawn at random from a pack or 52 cards. What is the probability that the card drawn is an ace and black.
(a) 1 13        (b) 1 26   (c) 1 2        (d) 4 13


13. A card is drawn at random from a pack of 52 playing cards. What is the probability that the card drawn is neither an ace nor a king. (a) 12 13        (b) 1 13   (c) 11 13        (d) 2 13


14. John tosses two different coins simultaneously. What is the probability of getting at least one tail. (a) 3 4        (b) 1 4   (c) 1 2        (d) 4 3


15. Harry tosses two different coins simultaneously
(say, one is of Re 1 and other of Re 2).
The probability that he gets at least one head is :
(a) 4 3        (b) 1 2   (c) 1 4        (d) 3 4


Score =
Correct answers:

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