1.

If nC3 = nC2 then the value of nC4 is: (a) 2 (b) 3 (c) 4 (d) 5

Answer»

(d) 5

Given that nC3 = nC2 

We know that if nCx = nCy then x + y = n or x = y 

Here 3 + 2 = n 

∴ n = 5



Discussion

No Comment Found