John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?

What's the only room from which no one can enter or leave

Solve below popular number sequence
314 159 265 358 979 323 846 ?

The two towns are exactly 100 km apart. John leaves City A driving at 30 km/hr and Jacob leaves City B half an hour later driving at 60 km/hr. Who will be closer to City A when they meet?

What is so fragile that saying its name breaks it?

If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

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

What is black when you buy it, red when you use it, and gray when you throw it away?

A game is being played where eight players can last for thirty-five minutes. Six substitutes alternate with each player in this game. Thus, all players are on the pitch for the same amount of time including the substitutes.

For how long is each player on the pitch?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?