Q1. A card is drawn from a well-shuffled pack of 52 cards. Find the probability that the card
drawn is a face card of black color.
Q2. If you spin the given spinner and if the outcomes are equally likely then what is the
probability that you spun an even number.
Q3. A single letter is selected at random from the word ‘Mathematics’. Find probability that it
is a vowel.
Q4. Four identical coins are tossed together .What is the probability of getting all tails.
Q5. Two dice are thrown simultaneously, find the probability that the product of the numbers
on the dice is 24.
Q6. A card is drawn at random from a well-shuffled pack of 52 cards, find the number of
favorable outcomes if the card drawn is a not a king.
Q7. The theoretical probability of choosing a black ball from a bag containing 343 balls is 4/7.
How many black balls are there in the bag.
Q8. A bag contains 3 red, 4 blue and 6 green balls. A ball is chosen randomly from the bag.
Find the probability that the ball chosen is red or green or blue.
Q9. A pot contains 3 red and 4 yellow roses. ‘A’ chooses a flower without replacing it. ‘B’ then
chooses another flower from the pot. What is the probability that ‘A’ chooses a red rose and ‘B’
chooses a yellow rose.
© Copyright 2011 - 12 Educomp Solutions Ltd.
Page 1 of 4
Q10. From the given jar containing identical marbles, if ‘A’ picks out a marble at random then
What is the probability of picking out a yellow marble.
Q11. If you spin the following spinner and if the outcomes are equally likely:
Then what is the probability that the number spun is less than 10.
Q12. A die, very small in size is thrown on the given table top, what is the probability that it
will land on a black box (consider all boxes on the given table top are identical)
Q13. A bag contains 50 identical marbles numbered 1 to 50.If one marble is drawn at random
from the bag, find the probability that it bears a number which is a multiple of 10.
© Copyright 2011 - 12 Educomp Solutions Ltd.
Page 2 of 4
Q14. The bar shows the results of rolling a die. What is the experimental probability of rolling
a prime number.
Q15. In the figure various identical tiles with different colors are given:
Find the probability of choosing a tile which is not yellow.
Q16. From the following identical petals with different colors:
‘A’ chooses a petal without replacing it, then ‘B’ chooses another petal .What is the probability
that ‘A’ chooses a red petal and ‘B’ chooses a blue petal.
Q17. If two dice are rolled simultaneously, then what is the probability of rolling numbers
whose sum is at most 6.
Q18. A card is drawn from a pack of 52 cards. Find the probability that the card drawn is red
and a club.
© Copyright 2011 - 12 Educomp Solutions Ltd.
Page 3 of 4
Q19. If a die is rolled, then what is the probability of rolling a number between 4 and 10.
Q20. From a set containing natural numbers between 10 and 20, a number is chosen at
random, what is the probability of choosing a number which is the multiple of 3.
Answers:
A1. 3/26
A2. 1/2
A3. 4/11
A4. 1/16
A5. 1/18
A6. 48
A7. 196
A8. 1
A9. 2/7
A10. 2/5
A11. 1
A12. 1/3
A13. 1/10
A14. 25/41
A15. 5/7
A16. 1/12
A17. 5/18
A18. 0
A19. 1/2
A20. 1/3
© Copyright 2011 - 12 Educomp Solutions Ltd.
Page 4 of 4