Question

Can you find the value of "?" in the ball picture puzzle below.

Answer 1

Logic is "Binary maths".
2 to power 0= 1 (ones place).
2 to the power 1= 2 (tenth place)
2 to the power 2 = 4 (hundred place)
add each row to get last column.
0+0+1=1
0+2+0=2
4+0+0=4
0+2+1=3

Answer 2

Looks 3 is the answer