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The number of different signals which ca...

The number of different signals which can be given from 7 different coloured sheets, taking one or more at a time is

A

127

B

5913

C

13699

D

13700

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-PRACTICE EXERCISE
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  2. The number of four digit numbers that can be formed using the digits 1...

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  4. The number of 5 letter that can be formed using the letters of ...

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  5. The number of four digit telephone numbers formed by the digits is (No...

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  6. Four dice are rolled then the number of possible out comes is

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  8. If ninN and 300ltnlt3000 and n is made of digits by taking from 0, 1, ...

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  9. 5 dice are thrown then the number of out comes in which there is atlea...

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  10. In a town the car plate numbers contain only three or four digits, not...

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  11. The number of functions that can be defined from a set containi...

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  12. The numbers of the one one function that can be defind from A ={...

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  13. The number of one - one functions that can be defined from A={a, b, c,...

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  14. The number of onto functions that can be defined from A={1, 2, 3} to B...

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  16. The number of ways in which 7 distinct toys can be distributed ...

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  17. The number of ways that '6' rings can be worn on the 4 - fingers of on...

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  18. The number of 7 digited numbers which can be formed using the digits 1...

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  19. Number of different permutations of the word “BANANA' is

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