The Little ant seems to be always confused. Do you know why?

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?

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

Can you count the number of seconds in a year?

Clue: You need to bother about calculation.

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

Who am I?

Why is Saturday stronger than Monday?

Make a sentence consisting of three words that have the whole alphabet.

I have no doors but I have keys, I have no rooms but I have space, you can enter but you can’t leave! What am I?

It's a 7-letter word.
If we remove 1 letter from it, it remains the same.
If we remove 2 letters from it, it remains the same.
If we remove 3 letters from it, it remains the same.
If we remove all the letters from it, still it remains the same.
What is it?

When it's bad luck to meet a black cat?