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In a horse race, the probability that ho...

In a horse race, the probability that horse a can win is `2/5` and the probability that horse B can win is `1/4`. Find the probability that any one can win the race.

A

`13//20`

B

`9//20`

C

`11//20`

D

None of these

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The correct Answer is:
B
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DISHA PUBLICATION-PROBABILITY-1-EXERCISE-1 : CONCEPT BUILDER
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  6. The odds in favour of the occurrence of an event are 3:5. Find the pro...

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  7. A card is drawn at random from a pack of cards. What ist the probabili...

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  8. In single cast with two dice the odds against drawing 7 is

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  9. The probability that a company executive will travel by train is 2/3 a...

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  10. The probability that a company executive will travel by train is 2/3 a...

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  11. A positive integer N is selected so as to be 100ltNlt200. Then, the pr...

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  12. Card is drawn from a pack of 52 cards. A persons bets that it is a spa...

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  13. The chance of an event happening is the square of the chance of a seco...

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  14. If P(B)=3/4, P(AnnBnnbarC)=1/3 and P(barAnnBbarC)=1/3 then P(BnnC)=

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  15. The probability that out of 10 person, all born in June, at least two ...

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  16. A bag contains 4 brown and 5 white balls. A man pulls two balls at ran...

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  17. Aa n dB toss a fair coin each simultaneously 50 times. The probability...

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  18. Let omega be a complex cube root unity with omega!=1. A fair die is th...

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  19. In a convex hexagon two diagonals are drawn at random. The probability...

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  20. Three dice are thrown. The probability of getting a sum which is a per...

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