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CENGAGE ENGLISH-PERMUTATIONS AND COMBINATIONS-All Questions
- Statement 1: the number of ways in which n persons can be seated a...
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- How many integers between 1 annd 1000000 have the sum of the digit equ...
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- Statement 1: Number of terms in the expansion of (x+y+z+w)^(50) is .^(...
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- Find the number of seven letter words that can be formed by using the ...
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- The number of ways in which 10 candidates A1,A2, A(10) can be rank...
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- There are six teachers. Out of them two are primary teacher, two are ...
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- In the decimal system of numeration of six-digit numbers in which t...
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- There are 2 identical white balls, 3 identical red balls, and 4 green ...
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- To fill 12 vacancies, there are 25 candidates of which 5 are from sc...
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- Find the number of ways in which 6 boys and 6 girls can be seated in a...
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- If the difference of the number of arrangements of three things fro...
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- The number of ways in which the letters of the word ARRANGE be arrange...
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- The sum of all four-digit numbers that can be formed by using the d...
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- Find the value (s) of r satisfying the equation "^69 C(3r-1)-^(69)C(r...
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- The number of ordered pairs of integers (x ,y) satisfying the e...
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- Prove that "^n Cr+^(n-1)Cr+...+^r Cr=^(n+1)C(r+1) .
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- The number of five-digit telephone numbers having atleast one of the...
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- If ^(15)C(3r)=^(15)C(r+3) , then find r.
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- How many numbers can be made with the digits 3, 4, 5, 6, 7, 8 lying...
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- In how many ways can 10 different prizes be given to 5 students if one...
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