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RD SHARMA-PERMUTATIONS-Solved Examples And Exercises
- Find the number of ways in which 5 boys and 5 girl be seated in a row ...
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- Five boys and five girls form a line with the boys and girls alterna...
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- How many even numbers are there with three digits such that if 5 is...
04:07
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- How many four digit numbers divisible by 4 can be made with the digits...
04:37
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- Find the number of arrangements of the letters of the INDEPENDENCE....
06:15
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- (i) How many different words can be formed with letters of the word ‘S...
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- In how many ways three girls and nine boys can be seated in two vans, ...
03:46
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- A tea party is arranged for 16 persons along two sides of a long table...
02:05
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- In how many ways can the letters of the word PERMUTATIONS be arrang...
06:05
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- Number of ways in which a lawn-tennis mixed double be made from sev...
02:32
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- The number of different of different ways in which 8 persons can stand...
04:32
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- Prove that 33! is divisible by " 2^15. what is the largest integer n s...
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- Prove that (n !)^2 < n^n n! < (2n)!, for all positive integers n.
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- Prove that (n !+1) is not divisible by any natural number between 2 a...
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- Prove that: ((2n)!)/(n !)={1. 3. 5 (2n-1)}2^ndot
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- If (n !)/(2!(n-2)!) and (n !)/(4!(n-4)!) are in the ratio 2:1 , find t...
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- Find n , if (n+2)! =2550xxn ! (ii) (n+1)! =12xx(n-1)!
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- If 1/(9!)+1/(10 !)=x/(11 !) , find xdot
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- If ((2n)!)/(3!(2n-3)!)a n d(n !)/(2!(n-2)!) are in the ratio 44 :3, fi...
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- How many permutations of the letters of the word MADHUBANI do not b...
02:57
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