I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

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

Who am I?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

A father's child, a mother's child, yet no one's son.

Who am I?

How many words can a pen with half refill write?

What has one letter and starts with an E?

Kareena is older than Bipasha. Bipasha is younger than Karishma and younger than Katrina. Katrina is older than Kareena and Alonso, who are older than Karishma.If Alonso and Kareena are twins, who's oldest?

I taste better than I can smell. Who am I?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Mr Black, Mr Gray, and Mr White are fighting in a truel. They each get a gun and take turns shooting at each other until only one person is left. Mr Black, who hits his shot 1/3 of the time, gets to shoot first. Mr Gray, who hits his shot 2/3 of the time, gets to shoot next, assuming he is still alive. Mr White, who hits his shot all the time, shoots next, assuming he is also alive. The cycle repeats. If you are Mr Black, where should you shoot first for the highest chance of survival?