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One of the two events must occur. If the...

One of the two events must occur. If the chance of one is 2/3 of the other, then odds in favour of the other are a. 1:3            b. 3:1            c. 2:3          d. 3:2

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RD SHARMA ENGLISH-PROBABILITY-All Questions
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  4. Find the probability that a leap year will have 53 Friday or 53 Sat...

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  10. Out of 30 consecutive integers, 2 are chosen at random. the probabi...

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  11. A bag contains 5 black balls, 4 white balls and 3 red balls. If a ba...

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  12. Two dice are thrown simultaneously. the probability of getting a pa...

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  13. An urn contains 9 balls two of which are rd, three blue and four bl...

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  14. Five persons entered the lift cabin on the ground floor of an 8 flo...

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  15. A box contains 10 good articles and 6 defective articles. One item ...

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  16. A box contains 6 nails and 10 nuts. Half of the nails and half of th...

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  17. If S is a sample space, then P(A) =1/3P(B) and S=A uu B where A and ...

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  18. A mapping is select at random from the set of all the mappings of t...

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  19. If A , B ,\ C are three mutually exclusive and exhausitive events of...

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  20. If A and B are mutually exclusive events then a. P(A)lt=P( B' ) b....

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