Seven athletes are participating in a ra...

Seven athletes are participating in a race. In how many ways can the first three prizes be won?

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RD SHARMA ENGLISH-PERMUTATIONS-All Questions

In how many ways can 6 persons stand in a queue?
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There are five books on Mathematics and 6 books on Physics in a book ...
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Seven athletes are participating in a race. In how many ways can the ...
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If a group of n distinct objects, the number of arrangements of 4 obj...
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If the letters of the word ‘MOTHER’ are written in all possible orders...
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In a room there are 12 bulbs of the same wattage, each having separate...
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How many different signals cab be given using any number of flags from...
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It is required to seat 8 men and 4 women in a row so that the women ...
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If P(n ,4)=20xxP(n ,2),find n.
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If P(n ,4)=18xxP(n ,3), find n
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If P(n ,4)=20xxP(n ,2), then find the value of n
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If P(n ,4)=20 x P(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+1P(n-1) : (2n-1)Pn =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 Pm , then prove that: 1+1. P1+2. P2+3. P3++ndotPn=...
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