I have feet, but no legs. Which animal Am I?

What is 3/7 chicken, 2/3 cat and 2/4 goat?

No matter how little or how much you use me, you change me every month. What am I?

A farmer went to a market and bought a wolf, a goat, and a cabbage. On his way home, the farmer came to the bank of a river and rented a boat. But crossing the river by boat, the farmer could carry only himself and a single one of his purchases: the wolf, the goat, or the cabbage. If left unattended together, the wolf would eat the goat, or the goat would eat the cabbage. The farmer’s challenge was to carry himself and his purchases to the far bank of the river, leaving each purchase intact. How did he do it?

I look at you, you look at me, I raise my right, you raise your left. What am I?

A mother is 21 years older than her child. In exactly 6 years from now, the mother will be exactly 5 times as old as the child.
Where's the father?

You have 1023 apples and 10 bags. You have to distribute these apples in these 10 bags in any way you choose. But when I ask for a certain number of apples you have to give them in terms of bags without transferring the apples from other bags. How do you distribute the apples?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

Can you tell a 3D object that has just two surfaces?