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Four numbers are chosen at random from (...

Four numbers are chosen at random from (1,2,3,…..40) . The probability that they are not consecutive is

A

`(1)/(2470)`

B

`(4)/(7969)`

C

`(2469)/(2470)`

D

`(7965)/(7969)`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-PROBABILITY-Exercise-I
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  9. In the above problem the probability of selecting a determinant having...

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  15. If A and B are two events such that P(A uu B)=0.65, P(A nnB)=0.15 then...

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  17. There are eight different coloured balls and 8 bags having the same co...

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  18. P(AnnB)=(1)/(4), P(barA)=(1)/(3), P(B)=(1)/(2), then P(bar(AuuB))=

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