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The number of elements in the set `{(a, b) : 2a^2 + 3b^2 = 35. a . b in Z}`,where `Z` is the set of all integers, is

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DISHA PUBLICATION-CHAPTERWISE NUMERIC INTEGER ANSWER QUESTIONS-CHAPTER 27
  1. The number of elements in the set {(a, b) : 2a^2 + 3b^2 = 35. a . b i...

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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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