I am sure no one can have two things for dinner. what are they?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

How can you make a TV, a bed, a dog, and a car liquid?

Four men were in a boat on the lake. The boat turns over, and all four men sink to the bottom of the lake, yet not a single man got wet! Why?

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

How many words can a pen with half refill write?

Can you make a six-letter word using the letters N, A and B ?

You are stuck on an island where you have nothing. You find four pieces of paper somewhere on the island. What will be your strategy to escape from the island safely?

PS: No other resource is available to you on the island, neither can you build anything.

Buy me, smell me or deliver me, I do not change.

Who am I?

Which alphabet is a part of our body?