If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

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?

It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

A patient was diagnosed with some ailment. He was given five different tablets to take at night at an interval of 15 minutes.

How long will it take the patient to consume all the five tablets?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

What has hands, but can’t clap?

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

During which month do people sleep the least?

Which flower has two lips?