TCS
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Numerical Ability
Permutation and Combination
What is where is the number of ways of choosing k items from 28 items?
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- 28ck because selecting k items from 28 items
- 10 years agoHelpfull: Yes(9) No(0)
- we will apply combination here so k items out of 28 becomes 28Ck.
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- 28Ck
we have to select k items out of 28 items - 10 years agoHelpfull: Yes(0) No(0)
- 28!/(28-k!)k!
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- 28ck k items from 28items
28!/(28-k!)k! - 10 years agoHelpfull: Yes(0) No(0)
- 28ck... ans
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- if item r similar than only one way...
- 10 years agoHelpfull: Yes(0) No(0)
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