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There are 100 students in a class. In th...

There are 100 students in a class. In the examination, 50 of them failed in Mathematics, 45 failed in Physics, 40 failed in Biology and 32 failed in exactly two of the three subjects. Only one student passed in all the subjects. Then, the number of students failing in all the three subjects is

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DISHA PUBLICATION-CHAPTERWISE NUMERIC INTEGER ANSWER QUESTIONS-CHAPTER 27
  1. There are 100 students in a class. In the examination, 50 of them fail...

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  2. Two cards are drawn successively with replacement from a well-shuffled...

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  3. Two coins are available, one fair and the other two-headed. Choose a c...

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  4. The chance of India winning toss is 3//4. If it wins the toss, then it...

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  5. An urn contains 5 red and 2 green balls. A ball is drawn at random fro...

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  6. If two events A and B are such that P(A^( C)) = 0.3 and P(B) = 0.4 and...

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  7. The probability of happening an event A in one trial is 0.4. Find the ...

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  8. If the probability of hitting a target by a shooter, in any shot is 1/...

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  9. Two aeroplanes I and II bomb a target in succession. The probabilities...

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  10. Four persons can hit a target correctly with probabilities (1)/(2),(1)...

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  11. A die is tossed 5 times. Getting and odd number is cosidered a success...

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  12. Assumes that each born child is equally likely to be a boy or a girl. ...

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  13. If X follows a binomial distribution with parameters n=6 and p. If 4(P...

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  14. A problem in mathematics is given to three students A ,B ,C and their ...

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  15. The probability that A speaks truth is 4/5 , while this probability fo...

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  16. Minimum number of times a fair coin must be tossed so that the probili...

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