What is always in front of you but can’t be seen?

Which is the correct shadow of the bird?

There is a place where if I stand up straight, I will still be considered sideways.

The peacock is a bird that does not lay eggs. How do they get baby peacocks?

In the picture given below, can you find out which digit will take place of the question mark?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

0 0 0 = 6
1 1 1 = 6
2 2 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

You can use any mathematical symbols in the space provided to make all above algebraic expressions true.

If,
9 * 8 * 7 = 65
8 * 7 * 6 = 50
7 * 6 * 5 = 37

Find
6 * 5 * 4 = ?

There are 2 sand hourglasses.

The small one can measure 5 hours and the large one can measure 7 hours.

How can we measure 16 hours with 2 sand hourglasses running together ?

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

How is this possible?