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How many numbers are there between 100 a...

How many numbers are there between 100 and 1000. Repetation is allowed.

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RD SHARMA ENGLISH-PERMUTATIONS-All Questions
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  2. In how many ways first and second rank in mathematics, first and secon...

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  3. How many numbers are there between 100 and 1000. Repetation is allowed...

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  4. For a set of five true/false questions, no student has written all ...

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  8. There are four parcels and five post-offices. In how many different ...

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  9. A mint prepares metallic calendars specifying months, dates and days i...

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  10. A die is tossed once. Find the probability of getting an odd number.

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  11. Find the total number of ways in which 20 balls can be put into 5 boxe...

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  12. Find the number of 4 digit numbers that can be formed using the digits...

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  15. Serial numbers for an item produced in a factory are to be made using ...

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  16. From among the 36 teachers in a college, one principal, one vice-pr...

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  17. In how many ways can 6 persons stand in a queue?

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  18. There are five books on Mathematics and 6 books on Physics in a book ...

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