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CBSE Notes 2011-2012 » XI-Maths

# Probability-XI

## Find the probability of getting the sum as a prime number when two dice are thrown together.

Find the probability of getting the sum as a prime number when two dice are thrown together.

## In a group of 10 outstanding slaidents in a school, there are 6 boys and 4 girls, 3 students are to ...

In a group of 10 outstanding slaidents in a school, there are 6 boys and 4 girls, 3 students are to be selected out of these at random for a debate competition. Find the probability that one is boy and 2 are girls.

## From a well-shuffled pack of 52 cards, a card is drawn at random. Find the probability that it is ei...

From a well-shuffled pack of 52 cards, a card is drawn at random. Find the probability that it is either a heart or a queen.

## From a well-shuffled pack of 52 cards, a card is drawn at random. Find the probability that either i...

From a well-shuffled pack of 52 cards, a card is drawn at random. Find the probability that either it is an ace of red colour or a card of black colour.