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A bag contains 3 white, 4 red and 5 blac...

A bag contains 3 white, 4 red and 5 black balls. Two balls are drawn one after the other, without replacement. What is the probability that one is white  and the other is black?

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RD SHARMA ENGLISH-PROBABILITY-All Questions
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  2. Kamal and Monica appeared for n interview for two vacancies. The proba...

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  3. A bag contains 3 white, 4 red and 5 black balls. Two balls are drawn ...

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  4. A bag contains 8 red and 3 green balls. Three balls are drawn one afte...

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  5. A and B toss a coin alternately till one of them gets a head and wins ...

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  6. Two cards are drawn from a well shuffled pack of 52 cards one after ...

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  7. Tickets are numbered from 1 to 10. Two tickets are drawn one after the...

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  8. In  a family the husband tells a lie in 30% cases and the wife in 3...

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  9. A husband and wife appear in an interview for two vacancies for the ...

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  10. A bag contains 7 white, 5 black and 4 red balls. Four balls are drawn ...

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  11. A, B, and C are independent witness of an event which is known to have...

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  12. A bag contains 4 white and 2 black balls. Another contains 3 white and...

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  13. A bag contains 4 white , 7black and 5 red balls. 4 balls are drawn wit...

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  14. A bag contains 4 red and 5 black balls, a second bag contain 3 red and...

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  15. There are three urns. A, B, and C . Urn A contains 4 red balls and  3 ...

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  16. A and B take turns in throwing two dice, the first to throw 9 being ...

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  17. A, B, and C in order toss a coin. The one to throw a head wins. What ...

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  18. Three persons A, B, C throw a die in succession till one gets a six an...

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  19. A and B take turns in throwing two dice, the first to throw 10 being ...

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  20. Fatima and John appear in an interview for two vacancies for the same ...

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