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The number of ways in which 1440 ca...

The number of ways in which 1440 can be divided into two factors excluding 1 and itself is

A

17

B

18

C

36

D

34

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The correct Answer is:
A
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DIPTI PUBLICATION ( AP EAMET)-PERMUTATIONS & COMBINATIONS-EXERCISE 1B (COMBINATIONS )
  1. The number of divisors of 7! is

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

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  3. The number of ways in which 1440 can be divided into two fact...

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  4. The number of positive odd divisors of 216 is

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  5. The number of even divisors of 1600 is

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  6. The number of odd factors of 36000 is

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  7. The number of divisors of the form 4n + 2 ( nge 0) of 240 i...

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  8. The number of positive divisors of 2 ^6 3^5 7^4 is equal to

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  9. The sum of divisors of 2 ^5 3^4 5^3 is

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

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

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

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

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

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

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

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

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

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  19. The number of ways that all the letters of the word SWORD can ...

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  20. There are 5 different coloured balls and 5 boxes of the same c...

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