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For a student the probability of getting...

For a student the probability of getting a pass in one paper is 75% and the probability of getting a pass in another paper is 60% . The probability for the student to pass in one paper of the two papers) only is

A

`3//10`

B

`13//20`

C

`11//20`

D

`9//20`

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The correct Answer is:
D
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DIPTI PUBLICATION ( AP EAMET)-PROBABILITY-EXERCISE-1C
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  3. For a student the probability of getting a pass in one paper is 75% an...

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  4. There are four machines and it is known that exactly two of them are f...

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  6. Two persons A and B toss a die. The person who first throws 6 first th...

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  7. Two persons A and B are rolling die on the condition that the person w...

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  8. Three persons A, B ,C in order toss a die. The person who first throws...

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  9. A,B,C are tossing a coin on the condition that , the person who gets a...

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  10. The person, A in order toss a die. The person who throws 5 or 6 wins. ...

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  11. 2 white balls and 3 blanks balls and 3 blank balls are placed in a bag...

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  12. Three white balls and five blacks balls are placed in a bag and three ...

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  13. A bag contains 6 white and 4 black balls. Two ball are drawn at rando...

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  14. A fair die is thrown until a score of less than five points is obtaine...

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  15. A man throws a die until he gets a number bigger than 3. The probabili...

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  16. On a toss of two dice, A throws a total of 5. Then the probability tha...

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  17. A and B throw a pair of dice. A wins if the throws 6 before B throws 7...

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  18. A die is rolled three times, the probability of getting a larger numbe...

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  19. A man alternately tosses a coin and throws a die beginning with the co...

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