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Find the total number of combinations ta...

Find the total number of combinations taking at least one green ball and one blue ball , from 5 different gree balls, 4 different blue ball and 3 different red balls .

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The correct Answer is:
`(2.^(5)-1)(2.^(4)-1).2.^(3)=3720`
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CHHAYA PUBLICATION-PERMUTATION AND COMBINATION -EXERCISE 7B ( Long Answer Type Questions )
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  10. Find the number of combinations in the letters of the word STATISTICS ...

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  12. How many different numbers of 4 digits can be formed with the digits ...

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  13. From 4 apples , 5 oranges and 3 mangoes , how many selections of fruit...

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  14. In how many ways can one or more fruits be selected from 4 apples ,5 o...

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  16. How many different algebraic quantities can be formed by combining a,b...

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  17. There are n points in space , no four of which are in the same plane w...

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