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The sum of the factors of 9 ! Which...

The sum of the factors of 9 ! Which are odd and are of the form `3m+2 ` , where m is a natural number is

A

40

B

45

C

51

D

none of these

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-PERMUTATIONS & COMBINATIONS-EXERCISE 1B (COMBINATIONS )
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  2. The sum of divisors of 2 ^5 3^4 5^3 is

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  3. The sum of the factors of 9 ! Which are odd and are of the fo...

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  4. the number of positive integral solutions of abc= 30 is

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  5. At an election vote for any number of candidates , not greater ...

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  6. At an election , a voter may vote for any number of candidates...

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  7. A question paper consists of two sections having respectively 3...

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  8. eight chairs are numbered 1 to 8 two women and three men wis...

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  9. There are four balls of different colours and four boxes of co...

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  10. There are 3 letters and 3 addressed envelopes coorresponding ...

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  11. The number of ways in which five different letters can be put ...

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  14. The number of functions that can be defined from a set containing 20 e...

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  15. A set contains (12) elements . The number of subsets of the set ...

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  16. A Set contains 20 elements The number of subsets of the set wh...

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  17. A student is allowed to select atmost n books from a collection ...

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  18. A set contains (12) elements . The number of subsets of the set ...

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  19. How many mulitiples of 2 lie between 10 and 250?

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  20. If n objects are arranged in a row then the number of ways of s...

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