What is the next number in this series?

4,12,84,3612....

Your job is to measure 45 minutes if you have only two cords and matches to light the cords.

1. The two cords are twisted from various materials, so their different segments can burn at different rates.
2. Each cord burns from end to end in exactly one hour.

Describe your way of measuring the 45 minutes.

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

What does the below rebus puzzle mean?

I can be cracked, made, told, and played. What am I?

what's the probability of getting a king or a queen from a pack of 52 cards?

Can you place six X (crosses) in below board without making three in a row in any way ?

Who is that with a neck and no head, two arms and no hands? What is it?

The world's largest Thanksgiving turkey was on display at a fair. Everyone was admiring it when suddenly a woman ran up and shot the turkey and left. Everyone knew her yet nobody made any attempts to stop or report her. Why?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?