Question

There are five nodes. with that how many trees we can make?
a.27
b.28
c.30
d.29

Answer 1

the answer will be option c 30,because there are five nodes..,in that each we can make five.so i think.
If my answer is useful please mark

Answer 2

It should be 30, as:

The process in 2n/n+1*n
i.e. 25/5+1*5
= 30