The number of ways in which four letters...

The number of ways in which four letters can be put in four addressed envelops so that no letter goes into envelope meant for it is

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AAKASH SERIES-PERMUTATIONS & COMBINATIONS-PRACTICE EXERCISE

The number of ways in which four letters can be put in four addressed ...
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IF ""^(10)p r = 5040 then r=
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If ""^(n)P(5)=""^(n)P(6) then n is
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If ""^((n+1))P(5): ""^(n)P(5)=3:2, find n
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If ""^(n)P(4):""^(n)P(3)=2:1 then is
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IF ""^((2n-1))P(n-1) : ""^((2n-1))Pn = 3:5 then n=
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There are 12 balls numbered from 1 to 12. The number of ways in which ...
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There are 50 stations on a railway line. The number of different kinds...
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The number of arrangements that can be formed by taking all the ...
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The letters of the word “FLOWER” are taken four at a time and arranged...
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The number of arrangements that can be formed by taking all the letter...
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The different words beging and ending with a vowel that can ma...
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The number of ways in which the letters of the word 'FRACTION' be arra...
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The number of ways in which the letters of the word 'FRACTION' be arra...
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The number of ways in which the letters of the word 'FRACTION' be arra...
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The number of arrangements that can be made by using all the le...
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How many ways are there to arrange the letters in the word G...
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Find the number of ways of arranging the letters of the word TRIANGLE ...
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The letters of the word 'MADHURI' are arranged in all possible ways. T...
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The number of four digited numbers that can be formed using the digits...
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The number of 5 digited numbers using 0, 1, 2,3, 4 no digit being repe...
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