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Suppose that in a party there are 15 per...

Suppose that in a party there are 15 persons If each two of the 15 persons shake hands, with each other, how many handshakes happen in the party

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A N EXCEL PUBLICATION-PERMUTATIONS AND COMBINATIONS-QUESTION BANK
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  2. Suppose that in a party there are 15 persons In how many ways two pers...

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  3. Suppose that in a party there are 15 persons If each two of the 15 per...

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  4. Consider 12 points on a plane of which five are collinear. In how many...

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  5. Consider 12 points on a plane of which five are collinear. In how many...

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  6. Consider 12 points on a plane of which five are collinear. How many tr...

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  7. Out of 18 points in a plane, no three are in the same line except 5 po...

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  8. Out of 18 points in a plane, no three are in the same line except 5 po...

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  9. Find the number of diagonals formed in a decagon

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  10. Find the number of triangles formed in a decagon

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  11. A committee of 6 is to be formed from 6 men and 4 women. In how many w...

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  12. Out of 6 boys and 4 girls, a committee of 6 is to be formed In how ma...

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  13. Out of 6 boys and 4 girls, a committee of.6 is to be formed In how ma...

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  14. Complete the following table

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  15. Express the following in terms of factorials 4.5.6.7.8.9.10.11

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  16. Express the following in terms of factorials 2.4.6.8.10

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  17. Given the numbers 1,2,3,4,5. How many 5 digit numbers without repetiti...

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  18. Given the numbers 1,2,3,4,5. How many 5 digit numbers can be formed by...

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  19. Given the numbers 1,2,3,4,5. How many 5 digit numbers greater than 24,...

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  20. Given the numbers 1,2,3,4,5. How many 5 digit numbers greater than 24,...

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