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

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 quill made with the feather of a pigeon write with a 100ml bottle of black ink?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

A gardener planted the Lemon trees in a mathematical ordered way (i.e. he planted a tree in rows).
He created a total of 19 rows of trees.

Note: There should be more than 2 trees to count as a row.

What is the minimum number of trees required by the gardener to have 19 rows of trees?

It was a dark stormy night and a couple were in a car driving madly to a city. The car broke down and the husband had to go get help from someone who spoke his language. He was afraid to leave his wife alone in the car so he locked the car before leaving. When he came back, the car was in the same state as he had left it but his wife was dead, there was blood on the floor and there was a stranger in the car. What happened?

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

Things are just as they seem, right? Well, check again.
Can you count the number of tigers in this picture ?

The cream is heavier than Milk. True or False?