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Nishi has 5 coins, each of the different...

Nishi has 5 coins, each of the different denomination. Find the number different sums of money she can form.

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CENGAGE PUBLICATION-PERMUTATIONS AND COMBINATIONS-All Questions
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  2. If p ,q in {1,2,3,4,} , then find the number of equations of form px^2...

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  3. Nishi has 5 coins, each of the different denomination. Find the number...

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  5. Find the number of natural numbers which are less than 2xx10^8 and whi...

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  6. Find the number of ways in which two small squares can be selected on ...

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  7. Find the number of ways of selection of at least one vowel and one ...

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  8. There are p copies each of n different books. Find the number of ways ...

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  9. A person is permitted to selected at least one and at most n coins fro...

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  10. Let S = {1,2,3,.............. n} and A={(a ,b)"|"1lt=a ,blt=n}=SxxS. ...

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  11. A person invites a group of 10 friends at dinner and sits (i) 5 on a r...

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  12. Find the number of ways in which 10 different diamonds can be arranged...

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  13. Which of the term of the AP 53, 48, 43... is the first negative term?

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  14. Find the number of ways in which six persons can be seated at a round ...

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  15. Determine the A.P whose third term is 16 and 7th exceeds the 5th term ...

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  16. Find the maximum number of points of intersection of 6 circles.

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  17. Find the number of different words that can be formed using all the le...

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  18. The number 916238457 is an example of a nine-digit number which con...

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  19. In a Delta ABC, Prove that, CosA/a+CosB/b+CosC/c = (a^2+b^2+c^2)/2

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