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A bag contains 6 white ., 7 red and 5 bl...

A bag contains 6 white ., 7 red and 5 black balls . Three balls are drawn at random . Find the probability that they will be white .

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The correct Answer is:
`(""^(6)C_(3))/(""^(18)C_(3))=(5)/(204)`
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ICSE-PROBABILITY -EXERCISE 22 (D )
  1. Four digit numbers are formed by using the digits 1,2,3,4 and 5 withou...

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  2. What is the probability of getting 3 white balls in a draw of 3 balls...

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  3. A bag contains 6 white ., 7 red and 5 black balls . Three balls are d...

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  4. A bag contains 2 white marbles , 4 blue marbels , and 6 red marbles . ...

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  5. A bag contains 2 white marbles , 4 blue marbels , and 6 red marbles . ...

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  6. A bag contains 2 white marbles , 4 blue marbels , and 6 red marbles . ...

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  7. A bag contains 2 white marbles , 4 blue marbels , and 6 red marbles . ...

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  8. A bag contains 2 white marbles , 4 blue marbels , and 6 red marbles . ...

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  9. A bag contains 2 white marbles , 4 blue marbels , and 6 red marbles . ...

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  10. A bag contains 9 marbles, 3 of which are red, 3 of which are blue, and...

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  11. A bag contains 9 marbles, 3 of which are red, 3 of which are blue, and...

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  12. A bag contains 9 marbles, 3 of which are red, 3 of which are blue, and...

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  13. A bag contains 2 Red, 3 Green and 2 Blue balls. Two balls are drawn ra...

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  14. A box contains 5 red marbles, 8 white marbles and 4 green marbles. One...

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  15. A bag contains 2 white marbles, 4 blue marbles and 6 red marbles. Thre...

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  16. Two balls are drawn from an urn containing 2 white , 3 red and 4 black...

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  17. Two balls are drawn from an urn containing 2 white , 3 red and 4 black...

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  18. From a pack of 52 playing cards, three cards are drawn at random. Find...

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  19. Two cards are drawn at random from 8 cards numbered from 1 to 8 . Wha...

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  20. Two cards are drawn at random from a pack of 52 cards. What is the pro...

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