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MAHAVEER PUBLICATION-PERMUTATIONS AND COMBINATIONS -QUESTION BANK
- Find n if "^nP3 : ^(n+1)P3 = 5:12
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- If "^nC10 = ^nC5 find "^nC14
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- Find the value of r if "^nPr = 3024 and "^nCr = 126
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- Find the value of r if "^(n-1)Pr : ^nPr = 2:3 and "^nCr :^(n+1)Cr = 9:...
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- If show that "^(n-1)Pr = (n-r).^(n-1)P(r-1)
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- Prove that "^nCr + 2. ^nC(r-1) + ^nC(r-2) = ^(n+2)Cr
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- How many odd numbers of 5 district significatcant digits can be formed...
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- Find how many word can be formed of the letters in the word "FAILURE" ...
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- How many ways the letters of the word "RUBBER" can be arranged ?
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- In how many ways can be letters of the word "MULTIPLE" be arranged wit...
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- How many numbers of five digits can be formed without repetition if 2,...
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- How many numbers of five digits can be formed without repetition if 0 ...
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- Six different colours are chosen to make a tri-colour fiag. How many ...
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- How many chords can be drawn through 11 points on a circle?
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- How many numbers of 4 digits can be formed with the odd digits without...
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- How many words can be formed with the letters of the word 'PENCIL' beg...
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- In how many ways 7 books can be arranged from 10 books?
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- From 50 students how many ways a group of 3 repesentative can be selec...
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- In how many different ways can 8 examination papers be arranged...
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- In how many ways a committee of 5 is to be formed from 6 boys and 4 gi...
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