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CENGAGE ENGLISH-PERMUTATIONS AND COMBINATIONS-All Questions
- Prove that the number of ways to select n objects from 3n objects...
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- An ordinary cubical dice having six faces marked with alphabets A, ...
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- How many five-digit numbers can be made having exactly two identica...
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- The members of a chess club took part in a round robin competition ...
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- Find the number of three-digit numbers from 100 to 999 including al...
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- Find the number of ways of disturbing n identicalobjects among n perso...
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- There are n points in a plane in which no three are in a straight ...
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- The number of arrangements of the letters of the word BANANA in whic...
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- Seven relatives of a man comprises four ladies and three gentlemen:...
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- A three-digit number is to be formed using the digits 0, 1, 2, 3, 4, a...
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- If N is the number of ways in which 3 distinct numbers canbe select...
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- Find the total number of nine-digit numbers that can be formed using t...
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- m men and n women are to be seated in a row so that no two ...
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- 10 different letters of an alphabet are given. Words with 5 letters ar...
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- If ^n Cr=84 ,and ^n C(r-1)=36 , and r = 1 , then find the value of ndo...
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- Eight chairs are numbered 1 to 8. Two women and three men wish to oc...
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- The value of expression .^47 C4+sum(j=1)^5.^(52-j)C3 is equal to a.....
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- The number of n digit numbers which consists of the digit 1 and 2 on...
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- If ^n C3+^n C4>^(n+1)C3 , then a. n >6 b. n >7 c. n<6 ...
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- The value of sum(r=0)^(n-1)^n Cr//(^n Cr+^n C(r+1)) equals a. n+1 ...
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