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MAHAVEER PUBLICATION-PERMUTATIONS AND COMBINATIONS -QUESTION BANK
- Out of 9 girls and 13 boys how many different committees can be formed...
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- From 10 boys and 20 girls, a committee of 2 boys and 3 girls is to be ...
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- From 10 boys and 20 girls, a committee of 2 boys and 3 girls is to be ...
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- From 10 boys and 20 girls, a committee of 2 boys and 3 girls is to be ...
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- Find the value of if n if "^(n+1)P3 = 4^(n)P2
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- Find the value (8!)/(6! X 2!)
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- Find the value 4! xx 2!
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- Find the value "^11P5
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- Find the value "^14P11
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- (i) If ""^(2n)C(3) : ""^(n)C(3)= 11 : 1, find n. (ii) If ""^(2...
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- Find n if "^nP4 = 10 xx ^nP3
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- Find n if "^nC12 = ^nC8
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- 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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