Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

A worker is to perform work for you for seven straight days. In return for his work, you will pay him 1/7th of a bar of gold per day. The worker requires a daily payment of 1/7th of the bar of gold. What and where are the fewest number of cuts to the bar of gold that will allow you to pay him 1/7th each day?

I have branches, but no fruit, trunk or leaves. What am I?

Use only one mathematical symbol and all numbers (0-9) to get a sum of 99

I have no life, but I can die. What am I?

Decode this picture on T-Shirt and tell what it says ?

You are an expert on paranormal activity and have been hired to locate a spirit haunting an old resort hotel. Strong signs indicate that the spirit lies behind one of four doors. The inscriptions on each door read as follows:

Door A: It's behind B or C
Door B: Its behind A or D
Door C: It's in here
Door D: It's not in here

Your psychic powers have told you three of the inscriptions are false, and one is true. Behind which door will you find the spirit?

What is next number in the pattern below:

131 517 192 123 ?

Which country gets ill every time?

What is the next number in this matchsticks series riddle?