How can you write nineteen in a manner that if we take out one, it becomes twenty?

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

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

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

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

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

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

When is the top of a mountain similar to a savings account?