What has a ring but no finger?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

If eleven plus two equals one, what does nine plus five equal?

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

True Or False?

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

I have a head like a cat and feet like a cat, but I am not a cat. What am I?

Find the number of squares in the below-given picture.

I’m orange, I wear a green hat and I sound like a parrot. What am I?

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?