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Convert the following products into fact...

Convert the following products into factorial: `(n+1)(n+2)(n+3).......(2n)`

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RD SHARMA ENGLISH-PERMUTATIONS-All Questions
  1. Convert the following products into factorial: 5. 6. 7. 8. 9. 10

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  2. Convert the following products into factorial: 3.6.9.12.15.18

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  3. Convert the following products into factorial: (n+1)(n+2)(n+3).......(...

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  4. Convert the following products into factorial: 1. 3. 5. 7. 9 (2n-1)

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  5. Which of the following are true: (2+3)!=2!+3!

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  6. Which of the following are true: \ (2xx3)! =2!xx3!

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  7. Prove that: n !(n+2)=n !+(n+1)!

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  8. if(n+2)! =60[(n-1)]!,find n

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  9. If (n+1)! =90[(n-1)!], fin d n

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  10. If (n+3)! =56[(n+1)! ] find n

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  11. Prove that ((2n+1)!)/(n !)=2^n{1. 3. 5 .........(2n-1)(2n+1)}

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  12. There are 3 candidates for a classical, 5 for a Mathematical,, and 4 ...

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  13. The flag of a newly formed forum is in the form of three blocks, each ...

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  14. Find the number of 4 letter words, with or without meaning which can b...

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  15. Given 4 flags of different colours, how many different signals can be ...

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  16. Find the number of different signals that can be generated by arrangin...

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  17. How many words (with or without meaning) of three distinct letters of ...

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  18. Find the total number of ways of answering 5 objective type questions,...

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  19. How many three digit numbers can be formed without using the digits ...

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  20. How many numbers are there between 100 and 1000 consists such that ...

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