When can we add 2 to 11 and get 1 as the correct answer?

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

Count the number of triangles in the picture below:

By using 'because' continuously three times, can you make an English statement ?

How many Watermelons are there in the below picture?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

I have a five and a three-gallon jar. Assuming there is an infinite supply of water, how can I measure one-gallon water?

Find the Goldfish below the given Image.

Find The Missing Number, 99% of People Fail To Solve This Table, Can You?

John can place six large boxes or nine small boxes into a carton.

Can you find out in how many cartons can he place sixty-six boxes in total?