Replace A, B, C by suitable numerals.
Question:
Replace A, B, C by suitable numerals.

Solution:
$(A-4)=3 \Rightarrow A=7$
Also, $6 \times 6=36 \Rightarrow C=6$
$36-36=0 \Rightarrow B=6$
$\therefore A=7$
$B=C=6$