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MAHAVEER PUBLICATION-PERMUTATIONS AND COMBINATIONS -QUESTION BANK
- Find the two-digit number (having different digits), which is divisibl...
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- A Hall has 3 gates. In how many ways can a man enter the hall through ...
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- If repetition is allowed, how many even numbers of two digits can be f...
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- Without reptition how many 4 digit numbers can be formed with the digi...
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- How many different four-digit numbers greater than 6000 can be formed ...
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- How many different four-digit numbers greater than 6000 can be formed ...
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- How many different five digit numbers can beformed from the digit 1,2,...
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- How many different five digit numbers can beformed from the digit 1,2,...
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- How many different five digit numbers can beformed from the digit 1,2,...
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- How many different five digit numbers can beformed from the digit 1,2,...
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- Find the value : 5! - 3!
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- Find the value : (7!)/(4!)
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- Find the value : 3! xx (7!)/(5!)
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- If n is a natural number then show that n! + (n+1)! = (n+2)n!
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- If n is a natural number then show that 1.3.5.7…..(2n-1) = ((2n)!)/(2^...
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- If ""^(56)P(r+ 6):""^(54)P(r+3) = 30800, find ""^(r)P(2).
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- Prove that ^n Pr-5^n Pr+r^(n-1)P(r2-1)dot
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- How many 9 letters words can be formed using the letters of the word "...
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- A child has four pocket and three marbles. In how many ways can the ch...
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- Find the value : "^6C3
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