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RD SHARMA-PERMUTATIONS-Solved Examples And Exercises
- If P(n ,4)=20xxP(n ,2),find n.
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- In how many ways can 6 persons stand in a queue?
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- Seven athletes are participating in a race. In how many ways can the ...
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- If 22P(r+1):^(20)P(r+2)=11 : 52 ,find r
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- If (2n+1)P(n-1):^(2n-1)P(n)=3:5,find n.
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- Find the number of arrangements of the letters of the INDEPENDENCE....
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- In how many ways can the letters of the word PENCIL be arranged so tha...
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- How many 4-letter word, with or without meaning, can be formed out of ...
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- If Pm stands for m{P{m}} , then prove that: 1+1. P1+2. P2+3. P3++ndotP...
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- In an examination hall there are four rows of chairs. Each row has 8 c...
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- The sum of all 4 digit numbers that can be formed by using the digits...
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- If P(15 ,r-1): P(16 ,r-2)=3:4 , find rdot
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- If "^(n+5)P(n+1)=(11(n-1))/2"^(n+3)Pn , find ndot
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- How many words, with or without meaning, can be formed by using the ...
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- If a denotes the number of permutations of (x+2) things taken all at a...
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- In how many ways can 9 examination papers arranged so the best and the...
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- How many words can be formed with the letters of the words ‘ORDINATE’ ...
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- A code word is to consist of two distinct English alphabets followed b...
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- In how many ways can 5 children the arranged in a row such that two of...
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- How many words can be formed from the letters of the word, TRIANGLE? ...
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