How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Which country gets ill every time?

What does below pictogram mean?

During an interview, the interviewer ordered hot coffee for the candidate to relieve the stress. The coffee was kept before him. After a minute, the interviewer asked him, 'What is before you?' He replied 'Tea'.

The candidate was selected immediately. Why?

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 do you see in the given picture?

I am never scared but became petrified and can’t live in a house but would die to make one. What am I?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?