Example GIF

What is 123456789 ? - Math riddle

21.Math Riddles
If
123=0
4235=0
656=2
5390=2
8890=6
1001=2
19235=1
What is 123456789?
                123=0
4235=0
656=2
5390=2
8890=6
1001=2
19235=1
What is 123456789?
                
  • A.1
  • B.2
  • C.4
  • D.5
    • Explanation :  
      
      4
      You need to count the number of closed circles.
      In 123456789,
         6 has 1 closed cirle
         8 has 2 closed circle
         9 has 1 closed circle
      So, here are total 4 closed circles.