# CBSE Class 10 Maths Applications of Probability

## Q.

What is the probability of getting a working bulb out of 3 defective bulbs and 7 working bulbs?

## Q.

What is the probability of getting a face card of spades from a deck of cards?

## Q.

The probability of getting a number 11 card from a deck of cards is a/an ____ event.

## Next Videos

- a mising helicopter is reported to have crashed in a rectangular region of 7000 sq km. what is the probability that it has crashed in a circular lake of radius 10 km
- A bag contains 12 balls out of which x are black. If one ball is drawn at random from the box, what is the probability that it will be a black ball? If 6 more black balls are put in the box the probability of drawing a black ball is now double of what it was before. Find x.
- what is the probability for a family with three children to have a boy and 2 girls (Assuming the probability of having a boy and a girl is equal)?? . . . Is the answer 1/3 and 2/3
- A die is thrown, find the probability of the event of getting a square number.
- A die is thrown once. Find the probability of getting (i) a prime number. (ii) a number divisible by 2
- A pair of dice are thrown once. Find the probability of getting the same number (doublet) on each dice.
- A game consists of tossing a one rupee coin three times and noting its outcome each time. Ramesh wins if all the tosses give the same result, that is three heads or three tails and loses the game otherwise. Calculate the probability that Ramesh will lose the game.
- Two coins are tossed simultaneously. Find the probability of getting (i) Two heads (ii) At least one head (iii) No head.
- In a throw of a coin, find the probability of getting a head.
- Three unbiased coins are simultaneously tossed. What is the probability of getting exactly two heads?

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