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the number of products that can be f...

the number of products that can be formed with 10 prime numbers taking two or more at a time is

A

`2^(10)`

B

`2^(10)-1`

C

`2^(10)-11`

D

`2^(10)-10`

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The correct Answer is:
C
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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-EXERCISE-II
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  8. For any integer nge1, the number of positive divisors of n is denoted ...

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  9. Number of non-trivial divisors of 1512 is

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  10. Number of even divisors of 1600 is

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

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  12. The sum of the even divisors of 168 is

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

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

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

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

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

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