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Two balls are drawn at random from a bag...

Two balls are drawn at random from a bag containing 2 white, 3 red, 5 green and 4 black balls, one by one without, replacement. Find the probability that both the balls are of different colours.

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RD SHARMA ENGLISH-PROBABILITY-All Questions
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  5. A bag contains 5 red, 6 white and 7 black balls. Two balls are drawn...

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  6. If a letter is chosen at random from the English alphabet, find the pr...

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  7. In  a lottery, a person chooses six different numbers at random fro...

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  8. Two dice are thrown. Find the odds in favour of getting the sum i. 4...

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  9. A box contains 10red marbles, 20 blue marbles and 30 green marbles....

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  10. What are the odds is favour of getting a spade if a card is drAwn f...

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  11. Five cards are drawn from a well shuffled pack of 52 cards. Find th...

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  12. A bag contains tickets numbered from 1 to 20. Two tickets are drawn...

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  13. An urn contains 7 white, 5 black and 3 red balls. Two balls are dra...

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  14. The probability that at least one of the event A and B occurs is 0....

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  15. Check whether the following probabilities P(A)a n d\ P(B) are consi...

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  16. Check whether the following probabilities P(A)a n d\ P(B) are consi...

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  17. Events E and F are such that P("not E or not F")=0. 25 State whether...

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  18. The probability of two events A and B are 0.25 and 0.50 respectivel...

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  19. If a die is rolled twice, find the probability of getting of getting a...

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  20. A die is thrown twice. What is the probability that at least one of...

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