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RD SHARMA ENGLISH-PERMUTATIONS-All Questions
- Three men have 4 coats, 5 waist coats and 6 caps. In how many ways c...
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- How many numbers lying between 100 and 1000 can be formed with the dig...
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- How many four digit numbers are there with distinct digits?
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- In how many ways 7 pictures can be hung from 5 picture nails on a wall...
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- The number of natural numbers smaller than 10^4 of which all digits ar...
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- How many words, with or without meaning, can be formed using all th...
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- Ten different letters of an alphabet are given. Words with five letter...
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- Evaluate each of the following: \ ^8P3
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- Evaluate each of the following: \ ^(10)P4
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- Evaluate each of the following: P(6,4)
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- If P(5, r)=P(6, r-1) ,find r.
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- If 5 P(n, 4)=6 P(n ,3) n?
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- If \ ^n P4=360 ,\ find the value of ndot
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- If P(9, r)=3024 ,\ find rdot
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- If P(11 , r)=P(12 , r-1) find ndot
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- If P(n-1,\ 3): P(n ,4)=1:9 find n
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- If ""^(2n-1)P(n): ""^(2n+1)P(n-1)=22:7, find n.
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- If P(n ,5): P(n ,3)=2:1 find n
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- Prove that: P(1,1)+2. P(2,2)+3. P(3,3)++ndotP(n , n)=P(n+1,\ n+1)-1.
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- In how many ways can five children stand in a queue?
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