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In how many ways can 5 different balls b...

In how many ways can `5` different balls be distributed among three boxes?

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To solve the problem of distributing 5 different balls among 3 boxes, we can follow these steps: ### Step 1: Understand the choices for each ball Each ball can be placed in any of the 3 boxes. This means that for each ball, there are 3 independent choices. ### Step 2: Calculate the choices for all balls Since there are 5 different balls and each ball has 3 choices, we can represent the choices mathematically. The first ball has 3 choices, the second ball also has 3 choices, and so on. This can be expressed as: ...
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RD SHARMA-PERMUTATIONS-Solved Examples And Exercises
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  2. Find the number of ways in which one can post 5 letters in 7letter ...

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  3. In how many ways can 5 different balls be distributed among three bo...

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  4. In how many ways can 7 letters be posted in 4 letter boxes?

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  5. In how many ways can 4 prizes be distributed among 5 students, when No...

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  6. There are 10 lamps in a hall. Each one of them can be switched on i...

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  7. Evaluate the following: \ ^5P3

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  8. Evaluate the following: 15(P3)

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  9. Evaluate the following:5(P5)

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  10. if 5(p r)=6(p (r-1)) find r.

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  11. If 10(Pr)=5040 , find the value of rdot

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  12. If ^0P5+5^9P4=^(10)Pr , find the value of rdot

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  13. Prove the following: P(n , n)=2P(n , n-2)

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  14. Prove the following: P(n , r)=P(n-1, r)+rdotP(n-1,\ r-1)

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  15. Prove the following: n(Pn)​= n(P(n−1))

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  16. Prove the following: P(n , r)=ndotP(n-1,\ r-1)

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  17. In how many ways three different rings can be worn in four fingers wit...

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  18. How many different signals can be made by 5 flags from 8 flags of d...

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  19. Three men have 4 coats, 5 waist coats and 6 caps. In how many ways c...

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  20. How many numbers lying between 100 and 1000 can be formed with the dig...

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