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If 4 P(A) = 6 P(B) = 10 P(A nn B) = 1 t...

If 4 P(A) = 6 P(B) = 10 `P(A nn B) = 1` then `P((B)/(A))=`

A

`(2)/(5)`

B

`(3)/(5)`

C

`(7)/(10)`

D

`(19)/(10)`

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The correct Answer is:
A
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TARGET PUBLICATION-PROBABILITY-COMPETITIVE THINKING (ADDITION THEOREM AND CONDITIONAL PROBABILITY)
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  2. The probabilities of solving a question by three students are 1/2,1/4,...

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  3. If 4 P(A) = 6 P(B) = 10 P(A nn B) = 1 then P((B)/(A))=

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  4. If P(S) = 0.3, P(T) = 0.4, S and T are independent events, then P(S/T)

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  5. If P(AcapB)=7/10 and P(B)=17/20,then P(A/B) equals to

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  6. it is given that the events A and B are such that P(A)=1/4, P(A/B)=1/2...

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  7. If two events Aa n dB are such that P(A^o)=0. 3 ,P(B)=0. 4 ,a n dP(...

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  8. A coin is tossed three times in succession. If E is the event that the...

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  9. Ram is visiting a friend. Ram knows that his friend has 2 children and...

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  10. One ticket is selected at random from 50 tickets numbered 00, 01, 0...

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  11. In a class, 40% of students study maths and science and 60 % of studen...

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  12. If A and B are two events such that P(A uu B) = P(A nn B) then the t...

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  13. For any two events A and B in a sample space

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  14. If E and Fare independent events such that 0 < P(E) <1 and 0 < P(F) <1...

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  15. Consider two events A and B such that P(A) = (1)/(4),P((B)/(A)) = (1)...

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  16. A survey of people in a given region showed that 20% were smokers. The...

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  17. A man is known to speak the truth 2 out of 3 times. He throws a die an...

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  18. A bag 'A' contains 2 white and 3 red balls and bag 'B' contains 4 whi...

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  19. A bag X contains 2 white and 3 black balls and another bag Y contains ...

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  20. A student answers a multiple choice question with 5 alternatives, of w...

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