Wednesday 5 October 2011

CBSE_NCERT Maths Test Paper-10th - Probability

1) The probability of a leap year selected at random contain 53 Sunday is:

(a) 53/ 366 (b) 1/7 (c) 2/7 (d) 53/365

2) A bag contains 3 red and 2 blue marbles. A marble is drawn at random. The probability of drawing a black ball is : (a) 3/5 (b) 2/5 (c) 0/5 (d) 1/5

3) The probability that it will rain tomorrow is 0.85. What is the probability that it will not rain

tomorrow

(a) 0.25 (b) 0.145 (c) 3/20 (d) none of these

4) What is the probability that a number selected from the numbers (1, 2, 3,..........,15) is a multiple of 4?

(a) 1/5 (b) 4/5 (c) 2/15 (d) 1/3

5) What are the total outcomes when we throw three coins?

(a) 4 (b) 5 (c) 8 (d) 7

6) The probability that a prime number selected at random from the numbers (1,2,3,..........35) is :

(a) 12/35 (b) 11/35 (c) 13/35 (d) none of these

7) The sum of the probability of an event and non event is :

(a) 2 (b) 1 (c) 0 (d) none of these.

8) The following probabilities are given; choose the correct answer for that which is not possible.

(a) 0.15 (b) 2/7 (c) 7/5 (d) none of these.

9) If three coins are tossed simultaneously, than the probability of getting at least two heads, is

(a) 1/4 (b) 3/8 (c) 1/2 (d) 1/8

10) A letter is chosen at random from the letters of the word “ASSASSINATION". The probability that the letter chosen has:

(a) 6/13 (b) 7/13 (c) 1 (d) none of these.

Answer Key: 1. a 2. c 3. c 4. a 5. c 6. b 7. b 8. c 9. c 10. b

11. A game of chance of a spnning wheel has number 1 to 10. What is the probability of getting a number less than to 5 when wheel comes to rest?

12. Two dice are rolled once what is the probability of getting a doublet?

13. A die is rolled once. What is the probability of getting a prime number?

14. A bank A.T.M. has notes of denomination 100, 500 and 1000 in equal numbers. What is the probability of getting a note of Rs. 1000.

15. What is the probability of getting a number greater than 6 in a single throw of a die.

16. A selection committee interviewed 50 people for the post of sales manager. Out of which 35 are
males and 15 are females. What is the probability of a female candidate being Selected.

17. A bag contains cards numbering from 5 to 25. One card is drawn fro the bag. Find the probability
that the card has numbers from 10 to 15.

18. In 1000 lottery tickets thre are 5 prize winning tickets. Find the probability of winning a prize. if a person buys one tickets.

19. It is known that in a box of 600 screws, 42 screws are defective. One screw is taken out at random from this box. Find the probability that it is not defective.

20. Write all the possible outcomes when a coin is tossed twice.

21. Two dice are rolled simultaneously. Find the probability that the sum is more than and equal to 10.

22. From the well shuffled pack of 52 cards. Two Black king and Two Red Aces are removed. What is the probability of getting a face card.

23. In a leap year what is the probability of 53 Sundays.

24. A box contains card numbered from 2 to 101. One card is drawn at random. What is the probability of getting a numer which is a perfect square.

25. A bag contains 5 red balls and ‘n’ green balls. If the P(green ball) = 3 × P (red ball) then what is the value of n.
10th Maths SA-2 Chapter wise Test Papers Links

2 comments:

  1. Wow. Awesome article. Please do more articles like this in the future. Very informational and knowledgeable. I will expect more from you in the future. For now i will just bookmark your page and surely I'm gonna come back later to read more. Thank you to the writer!


    www.imarksweb.org

    ReplyDelete
  2. Thanks for sharing great article. Keep sharing good stuff.
    List of Best Schools in Dubai

    ReplyDelete