Question

Find missing number IF
2+4=12
4+6=30
5+2=12
6+3=21
THEN
1+9=?​

Answer 1

Answer:

18

Step-by-step explanation:

if 2+4=12

see the trick is

2*4(it is 2+4)

so answer is 8.

then add 8 with second number {4}

so 8+4=12

therefore 1+9=18