Answers

2015-10-17T09:24:48+05:30
4*8=5
reason:
4*5=20 n 2+0=2
=>4*5=2;
in d same way,
3*9=27 =>2+7=9;
7*3=21 =>2+1=3;
4*8=32 =>3+2=5
0
plz mark brainliest if it has helped
2015-10-17T10:59:08+05:30
Sum of digits result in answer.
For eg, 4×5=20
2+0= 2
∴4Δ5=2

4×8=32
3+2= 5
∴4Δ8=5

Ans=5
0