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A and B seek admission in I.I.T. The pro...

A and B seek admission in I.I.T. The probability that A is selected is `0.5` and the probability that both A and B are selected is atmost `0.3`. The probability of B getting selected is atmost is

A

`0.5`

B

`0.6`

C

`0.7`

D

`0.8`

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The correct Answer is:
D
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AAKASH SERIES-PROBABILITY-Exercise-II
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  9. A box contains 100 tickets, numbered 1,2,….100. Two tickets are chosen...

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  10. For a biased die the probability for different faces to turn up are gi...

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  11. If A and B are any two events such that P(A)=(2)/(5) and P(AnnB)=(3)/(...

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

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  13. E(1), E(2) are events of a sample space such that P(E(1))=(1)/(4), P((...

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  14. Two aeroplanes I and II bomb a target in succession. The probabilities...

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  15. A bag P contains 5 white marbles and 3 black marbles. Four marbles are...

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  16. Let A and B be two events such that P(barAuuB)=(1)/(6) , P(AnnB)=(1)/(...

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  17. If A and B are events such that P(AuuB)=(5)/(6), P(barA)=(1)/(4), P(B)...

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  18. If A(i=1,2,3….n) are n independent events with P(A) = (1)/(1+i) for ea...

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  19. A and B are two independent events. The probability that both A and B ...

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  20. The probabilities of solving a problem by three students A,B,C indepen...

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