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A box contains mangoes ut of 4 are rotte...

A box contains mangoes ut of 4 are rotten . Two mangoes are taken out together is found that atleast one of them to be good , then the probability that are good is

A

`5/18`

B

`8/15`

C

`5/13`

D

none of these

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The correct Answer is:
c
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ICSE-PROBABILITY-MULTIPLE CHOICE QUESTIONS
  1. A box contains mangoes ut of 4 are rotten . Two mangoes are taken out ...

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  2. If A and B are two events and P(A) = 0.3 , P(B) = 0.4 , P(A cap B) = 0...

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  3. A die is thrown .If A is the number obtain greater than 3 and B is ev...

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  4. If P(A cup B) =1/2 and P(A cap B) = 1/3 ,P(A) = p and P(B) = 2p , the...

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  5. If P(A ) =4/5 and P( A cap B) =7/10 then P(B/A) is equal to

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  6. If A and B are two events such that P(A) =0.2 , P(B) = 0.4 and P( A cu...

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  7. If P(A) = 3/10 ,P(B) = 2/5 and P(A uu B) = 3/5 then P(B/A) +P(A/B)=

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  8. If P(A) = 3/10 ,P(B) =2/5 and P(A cup B) = 3/5 , then P(B//A) +P(A//B)...

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  9. If P(A)= 7/13 ,P(B) =9/13 and P(A cap B) =4/13 then P(A/B) is equal t...

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  10. If A and B are two events such that P(A) = 1/2 , P(B) = 1/3 and P(A//B...

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  11. If A and B are events such that P(B) = 3/5 , P(A//B) =1/2 and P(A cup ...

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  12. If A and B are two events such that P(B) = 3/5 , P(A/B) =1/2 and P(A ...

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  13. If A and B are two events such that P(A) = 0.6 , P(B) = 0.2 and P(A//B...

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  14. If A and B are two events that P(A) gt 0 and P(B) != 1 , then P(A/B) ...

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  15. If A and B are two events such that P(A) = 3/8 , P(B) = 5/8 and P(A cu...

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  16. If A and B are independent events thenP(A cap B) is equal to

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  17. If A and B are two independent events with P(A) = 3/5 and P(B) =4/9 th...

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  18. If A and B are two independent events such that P(A cup B) = 0.8 and P...

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  19. If A and B are two events such that P(A) = 1/4 , P(A//B) = 1/2 and P(B...

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  20. If S is the sample space of random experiment S = A cup B and P(A) = ...

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  21. If two events are independent , then

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