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In a book-stall, there are 4 copies of o...

In a book-stall, there are 4 copies of one book, 5 copies of another and single copy of 5 other different books. Then the no. of ways that a person can purchase one or more books is

A

340

B

535

C

959

D

1002

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The correct Answer is:
C
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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-EXERCISE-II
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  3. In a book-stall, there are 4 copies of one book, 5 copies of another a...

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  4. the number of products that can be formed with 10 prime numbers ...

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  5. In the intermediate examination a candidate has to pass in each ...

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  6. There are 10 lamps in a hall. Each one of them can be switched on inde...

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  7. A question paper has 5 questions. Each question has an alternative. Th...

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  8. Given 5 different green dyes, 4 different blue dyes, 3 different red d...

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  9. For any integer nge1, the number of positive divisors of n is denoted ...

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  10. Number of non-trivial divisors of 1512 is

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  11. Number of even divisors of 1600 is

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  12. If N denotes the set of all positive integers and if : NtoN is defined...

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  13. The sum of the even divisors of 168 is

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  14. Number of odd proper divisors of 3^(p).6^(m).21^(n) is

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  15. The number of ways in which 1800 can be divided into two fact...

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  16. The number of ways in which 900 can be resolved as a product of two fa...

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  17. The number of subsets of {1,2,3,. . . .9} conatining at least one ...

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  18. At an election, a voter may vote for any number of candidates, not gre...

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  19. In a club election the number of contestants is one more than the numb...

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  20. The number of all three element subsets of set {a(1),a(2),a(3),..........

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