Question

if
1=0
3=6
4=12
2=2
then
5=?​

Answer 1

Answer:

5×4 = 20

using following relation

a×(a-1) = answer..

Hope it helps...........

Answer 2

if,

1=0. i'e 1×(1-1)=0

3=6. i'e 3×(3-1)=6

4=12. i'e 4×(4-1)=12

Then 5= 20. i'e 5×(5-1)=20

Thanks