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*Q11. If P (A) = 0.18, P (B) = 0.5 and P (B|A) = 0.2, find P(A n B)? *

*32**36**16**64*

*Q12. If P(A) = 5/13, P(B) = 7/13, and P(A ∩ B) = 8/13, Find P(A **∪** B)? *

*4/13**5/13**6/13**None of these*

*Q13. If P(A) = 2/15, P(B) = 4/15, and P(A **∪** B) = 6/15 Find P(A|B) *

*6/15**3/4**3/2**None of these*

*Q14. If P(A) = 6/17, P(B) = 5/17, and P(A **∪** B) = 4/17 Find P(B|A)? *

*6/3**2/5**2/7**2/3*

*Q15. An urn contains 10 black and 5 white balls. Two balls are drawn from the urn one after the other without replacement. What is the probability that both drawn balls are black? *

*1/7**2/7**7/3**3/7*

*Q16. Three cards are drawn successively, without replacement from a pack of 52 well shuffled cards. What is the probability that first two cards are queens and the third card drawn is an ace?*

*2/5530**3/5525**2/5525**4/5525*

*Q17. A die is thrown. If G is the event ‘the number appearing is a multiple of 3’ and H be the event ‘the number appearing is even’ then find whether G and H are independent ? *

*G and H are not independent events.**G and H are independent events.**Only G independent event**None of these*

*Q18. An unbiased die is thrown twice. Let the event A be ‘odd number on the first throw’ and B the event ‘odd number on the second throw’. Check the independence of the events A and B.*

*A or B are independent events**A and B are not independent events**A and B are independent events**None of these*

*Q19. 6 Coins are tossed simultaneously. find the probability to get 2 hands *

*15/32**5/64**15/64**None of these*

*Q20. If P(A) = 4/5 and P (B) = 2/5, find P (A n B) if A and B are independent events. *

*8/23**8/25**3/25**None of these*