HR Interview
Interview
Numerical Ability
Permutation and Combination
nc5=nc6 ,n?
Read Solution (Total 3)
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- ncr=nc(n-r)
r=5
n-r=6
n=6+5=11 - 7 years agoHelpfull: Yes(1) No(2)
- ncr=n!.(n-r)!/r! ,so on applying this condition and on cancellation of terms we get ,.....(n-6)/6 =1 ,which gives n=12
- 7 years agoHelpfull: Yes(0) No(1)
- 11
if nca=ncb then a=a+b.
- 7 years agoHelpfull: Yes(0) No(0)
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