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A basket contains 20 apples and 10 oranges out of which 5 apples and 3 oranges are defective. If a person takes out 2 at random what is the probability that either both are apples or both are good?

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RD SHARMA ENGLISH-PROBABILITY-All Questions
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  8. Let there be a bag containing 5 white and 4 red balls. Two are drawn ...

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

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

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  11. A couple has two children. Find the probability that Both the children...

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

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  13. A die is thrown three times events A and B are defined as below: A= Ge...

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  14. A black and a red dice are rolled. (a)   Find the conditional proba...

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  15. Consider the experiment of throwing a die. if a multiple of 3 comes ...

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  16. In a school there are 1000 students, out of which 430 are girls. It...

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  17. An instructor has a test bank consisting of 300 easy True/False que...

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  18. Given that A\ a n d\ B are two events such that P :(A)=0. 6 ,\ P(B)=0....

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  19. If P (A) =6/(11), P(B) =5/(11)and P(AuuB)=7/(11), find(i) P(AnnB) (ii)...

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  20. Ten cards numbered1 through 10 are placed in a box, mixed up thoroughl...

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