What number when divided in half becomes zero?

What has no start, end, or centre?

Can you find out the total number of triangles in the given figure?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

What numbers should go on the bottom line?
3 6 9 15
8 2 10 12
11 8 19 27
19 10 29 39
? ? ? ?

Can you find the hidden animal in the picture below?

If 2 workers can complete painting 2 walls in exactly 2 hours.

How many workers would be needed to paint 18 walls in 6 hours?

Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

What is common among 11, 69, and 88?