What is the centre of gravity?

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

In a rainy season, one day 3 huge ladies walked under a normal-sized umbrella.
The umbrella is not huge enough to accommodate all 3 ladies yet not a single lady got wet. Why?

Take one out and scratch my head, I am now black but once was red. What am I?

Bay of Bengal is in which state?

In the picture, you can see a chess board. On the top left position, the K marks a knight. Now, can you move the knight in a manner that after 63 moves, the knight has been placed at all the squares exactly once excluding the starting square?

Find the next number in the following series:
6, 14, 26, 98, __?

All Marigolds are flowers.
Few Flowers are used to make colors.
Therefore, some Marigold are used to make colors.

True Or False?

What is the riddle which can be asked all day with a different correct answer each time.

Can you divide the below-given shape into four equal and identical pieces?