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Three of the six vertices of a regular h...

Three of the six vertices of a regular hexagon are chosen the random. What is the probability that the triangle with these vertices is equilateral.

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`1/10`
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CBSE COMPLEMENTARY MATERIAL-PROBABILITY-LONG ANSWER TYPE QUESTIONS
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  4. Urn A contains 6 red and 4 black balls and urn B contains 4 red and 6 ...

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  5. If three distinct numbers are chosen randomly from the first 100 natur...

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  6. S = {1, 2, 3, ........., 30), A = {x: x is multiple of 7}, B = { x: x ...

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  7. S = {1, 2, 3, ........., 30), A = {x: x is multiple of 7}, B = { x: x ...

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  8. S = {1, 2, 3, ........., 30), A = {x: x is multiple of 7}, B = { x: x ...

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  9. One number is chosen at random from the number 1 to 100. Find the prob...

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  10. The number lock of a suitcase has 4 wheels with 10 digits, i.e. fro 0 ...

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  11. If A and B are any two events having P(A capB)=1/2 and P(B) =2/3,then ...

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  12. Three of the six vertices of a regular hexagon are chosen the rando...

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  13. A typical PIN (personal identification number) is a sequence of any ...

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  14. An urn contains 9 red, 7 white and 4 black balls. If two balls are ...

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  15. The probability that a new railway bridge will get an award for its de...

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  16. The probability that a new railway bridge will get an award for its de...

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  17. A girl calculates that the probability of her winning the ifrst prize ...

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  18. Two dice are thrown at the same time and the product of numbers appear...

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  19. All the jacks, queens and kings are removed from a deck of 52 playing ...

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  20. If A, B and C are three mutually exclusive and exhaustive events of an...

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