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The odds against A solving the problem are 4 to 3 and the odds in favour of B solving the .problem are 7 to 5. Find the probability that the problem will be solved.

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RD SHARMA ENGLISH-PROBABILITY-All Questions
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  9. A combination lock on a suitcase has 3 wheels, each labelled with nine...

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  10. A coin is tossed thrice and all the eight outcomes are assumed equal...

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  11. Prove that in throwing a pair of dice, the occurrence of the number 4 ...

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  12. One card is drawn at random from a well shuffled deck of 52 cards. I...

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  13. A coin is tossed three times. Let the events A B, and C be defined as ...

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  14. If A and B be two events such that P(A)=1//4, P(B)=1//3 and P(AuuB)...

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  15. Given two independent events A and B such that P(A)=0. 3\ a n d\ P(B)=...

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  16. Given two independent events A and B such that P(A)=0. 3\ a n d\ P(B)=...

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  17. Given two independent events A and B such that P(A)=0. 3\ a n d\ P(B)=...

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  18. Given two independent events A and B such that P(A)=0. 3\ a n d\ P(B)=...

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  19. Given two independent events A and B such that P(A)=0. 3\ a n d\ P(B)=...

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  20. Given two independent events A and B such that P(A)=0. 3\ a n d\ P(B)=...

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