CBSE Guess > Papers > Important Questions > Class XII > 2010 > Maths > Mathematics By Gajender Yadav
CBSE CLASS XII
Q. 1. In a group there are 2 men and 3 women. 3 persons are selected at random from the group. Find the probability that 1 man and 2 women or 2 men and 1 woman are selected.
Q. 2. Bag A contains 6 white and 7 black balls, and another bag B contains 4 white and 5 black balls. One ball is drawn from the bag A and without noticing its colour, is put in the second bag B. A ball is then drawn from the second bag B. Find the probability that the ball drawn is white in colour.
Q. 3. A bag contains 5 red, 6 white and 7 black balls. Two balls are drawn at random. What is the probability that both balls are red or both are black?
Q. 4. From a well shuffled pack of 52 cards, 3 cards are drawn one-by-one with replacement. Find the probability distribution of number of queens.
Q. 5. A fair die is tossed twice.If the number appearing on the top is less than 3,it is a success.Find the probability distribution of successes.
Q. 6. Evaluate the following limits:-
Q. 7. If f(x)=
is continuous at x=1, find the value of a and b.
Paper By Mr. Gajender Yadav
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Ph No.: 09868060584
