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In a bag there are 6 red, 4 black balls....

In a bag there are 6 red, 4 black balls. From it 2 balls (without replacement ) are drawn. If the first drawn ball is known to be red, the probability for the second drawn ball is also red is

A

`5//9`

B

`5//18`

C

`1//3`

D

`2//3`

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The correct Answer is:
C
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DIPTI PUBLICATION ( AP EAMET)-PROBABILITY-EXERCISE-1C
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  2. For a biased die the probability for different faces to turn up are gi...

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  3. In a bag there are 6 red, 4 black balls. From it 2 balls (without repl...

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  4. In a class , 40% students study History, 25% Civics and 15% both Histo...

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  5. One ticket is selected at random from 100 tickets numbered 00, 01, 02,...

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  6. One ticket is selected at random from 50 tickets numbered 00, 01, 02, ...

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  7. A box contains 10 mangoes out of which 4 are spoiled. 2 mangoes are ta...

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  8. If A, B are two independent events such that P(A) = 3/4, P(B) =2/5 the...

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  9. If A,B are two independent events such that P(A) = 0.5, P(barB) = 0.3 ...

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  10. If P(A) = 0.4, P(AcupB) =0.8 and A,B are independent then P(B)=

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  11. If A and B are two independent events such that P(B) = 2/7, P(AcupB)=0...

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  12. If A and B are two independent events such that P(barA cap B) = 2//15 ...

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  13. If A and B are two independent events of a random experiment such that...

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  14. If E(1), E(2) are independent events in a random experiment with P(E(1...

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  15. If E(1), E(2), are independent events, such that P(E(1) cap E(2)) = 1...

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  16. If E(1), E(2), are independent events, such P(E(1) cap E(2))= 1//8, P...

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  17. A and B are two candidates seeking admission in IIT. The probability t...

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  18. Let A and B be two events such that P(overline("A cap B")) = 1//6, P(A...

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  19. If A and B are events such that P(AcupB)=(5)/(6),Pbar((A))=(1)/(4)and...

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  20. Let two fair six-faced dice A and B be thrown simultaneously . If E(1)...

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