Why is 6 afraid of 7?

Rearrange the letters in "new door" to make one word.

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

What can you deduce from the following BrainBat?

CRY
LMKI

A large container is kept in open under the rain. Every passing hour, the water collected inside the container becomes double what it was.

In ten hours, the container is filled completely. Can you calculate how long would it have taken to be filled in half?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

What are the 50th, 63rd and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, ...

A little girl goes to the store and buys one dozen eggs. As she is going home, all but three break. How many eggs are left unbroken?