**Important Questions**

**Class X**

**2008-2009**

**Mathematics**

**Q. 1.** What is the probability of getting 53 Tuesdays in a year ?

**Q. 2.** What is probability of getting 53 Mondays in a leap year ?

**Q. 3.** What is the probability that two people have same birthday ?

**Q. 4.** What is the probability that two people have different birthday ?

**Q. 5.** If a card is drawn from a well suffeled deck of 52 cards then what is the probability of getting a face card ?

**Q. 6.** If probability of happening of an event is 0.09. what wiil be probability of not happening of that event ?

**Q. 7.** What is the probability of a certain event ?

**Q. 8.** What is the probability of an impossible event?

**Q. 9.** A coin is tossed twice . What will be the probability of getting at most two heads ?

**Q. 10.** A coin is tossed twice . What will be the probability of getting at least one tail.

**Q. 11.** If a die thrown once, what will be the probability of getting a prime even number ?

**Q. 12.** If a die is thrown twice, what will be the probability of getting a doublet ?

**Q. 13.** If a die is thrown twice , what will be the probability of getting a pair of prime numbers ?

**Q. 14.** If a card is drawn from a deck of 52 cards, what will the probability of getting a black king ?

**Q. 15.** King and queen of spade are removed from a deck of 52 cards and then a card is drawn, what will be the probability of getting a red king ?