I have eight fingers and two thumbs but I do not live. What Am I?

How is a fly different from a mosquito?

Who is that with a neck and no head, two arms and no hands? What is it?

I am first found in caves, now prolific online; I am a depiction, a drawing, a symbol, or sign. I will convey whichever mood you could wish; or for that matter, a fist, flask, or fish. What am I?

Can you discover the missing number in this series?

37, 10, 82
29, 11, 47
96, 15, 87
42, ?, 15

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

Can you identify the hidden rebus in the image below?

Using Only Five 5's and any mathematical operator make sum as 37

The centre of the third figure is empty. What digit should fit inside?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?