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A bag contains 5 white and 3 black balls...

A bag contains 5 white and 3 black balls. Four balls are successively drawn out without replacement. What is the probability that they are alternately of different colours?

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RD SHARMA ENGLISH-PROBABILITY-All Questions
  1. Two cards are drawn from a well shuffled pack of 52 cards without r...

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  2. Two cards are drawn without replacement from a well shuffled pack of 5...

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  3. A bag contains 5 white and 3 black balls. Four balls are successively ...

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  4. Cards are numbered 1 to 25. Two cards are drawn one after the other. ...

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  5. Two dice are thrown together and the total score is noted. The event E...

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  6. Find the minimum value of f(x)=pi^2/(16 cot^-1 (-x)) - cot^-1 x

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

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  8. A box contains 3 red and 5 blue balls. Two balls are drawn one by one ...

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  9. Twelve balls are distributed among three boxes, find the probability ...

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  10. Two numbers b\ a n d\ c are chosen at random with replacement from the...

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  11. In how many ways three girls and nine boys can be seated in two vans, ...

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  12. What is the probability that four 'S' comes consecutively in the word ...

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  13. A basket contains 20 apples and 10 oranges out of which 5 apples and 3...

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  14. The probability that a person will get an electric contact is 2/5 and ...

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  15. Let A ,B ,C be three events. If the probability of occurring exactly ...

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  16. For the three events "A","B","andC","P"("e x a c t l yo n eo ft h ee v...

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  17. The probabilities that a student passes in Mathematics,Physics and Che...

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  18. Let there be a bag containing 5 white and 4 red balls. Two are drawn ...

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  19. A die is thrown twice and the sum of the numbers appearing is observed...

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  20. Determine P (E|F)in :Two coins are tossed once, where(i) E: tail appe...

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