Question

How can 90 cows be tied on 9 pillars with an odd number on each pillar?

Answer 1

by dividing 90 cow into a group of 10cow

then tie it to 9 pillars then after that remove 1 cow from each pillar

Step-by-step explanation:

now remaining 9 cows now

tie 2 cows for first pillar

it 9+2=11(odd)

then tie 4 cows to second pillar

9+4=13

Answer 2

Step-by-step explanation:

its impossible to do that without leaving some of the pillars tied empty