I’m tall when I’m young, and I’m short when I’m old. What am I?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

You are confined in a room and given two metal rods. Out of these two rods, one is magnet and the other is the iron rod. They look starkly similar. You don't have any other metal object in the room.

How will you decide which one of those is magnet?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

What work can one never finish?

A doctor and a boy were fishing. The boy was the doctor’s son, but the doctor was not the boy’s father. Who was the doctor?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

At a party, there are five people and a whole round cake lying at the centre of the table. Only four people will make a cut and take their piece and the last one will get the remaining piece on the table. How can they make sure that everyone gets a 1/5th of the piece?

Can you find the next number in the below sequence
3 , 7 , 10 , 11 , 12 , 17 ?

A shepherd had 18 sheep, out of which, all but ten died.

Can you tell us how many sheep was he left with?