What has hands, but can’t clap?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

On her drawing table, Sayna lit 12 coloured candles. A few seconds later she blew two candles off.

How many candles Sayna have at the end?

You can see it everyday, But cannot touch it at will. What is it?

13 decks of cards have been mixed. What is the minimum number of cards that must be taken out from the above-mixed cards to guarantee at least one 'four of a kind?

What type of tree can I carry in my hand?

You have four chains. Each chain has three links in it. Although it is difficult to cut the links, you wish to make a single loop with all 12 links. What is the fewest number of cuts you must make to accomplish this task?

Can you identify if it's a murder or a suicide ?