If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Can you divide the below-given shape into four equal and identical pieces?

What has no start, end, or centre?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

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 have nine bottles of wine and one of the nine bottles is poisoned.
I need to find the poisoned bottle with two facts
(1) Poison is deadly, only a sip will cost death
(2) I have two mice to do so.

How should I do it?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

Find the smallest sentence with all the English alphabet.

How many words can a pen with half refill write?

In a town, there are over 100 flats.
Flat-1 is named first flat.
Flat-2 is named second flat.
Flat-3 is named third flat.

A visitors 'Victor' decides to walk through all the flats, he finds all the flats except flat-62.
Victor later founds that the local of the town have given it another name.

What is the name of the Flat?