Solve the equation in the image by looking at the pattern closely.

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?

I am sure no one can have two things for dinner. what are they?

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

Can you count the number of triangles inside a triangle?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

A bomb exploded in a room full of married couples and no one died. How?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

I am working in a bus company. The company recently went under expansion and therefore there was not enough room for all the buses. As a result, twelve buses had to be stored outside.

If the company decides to expand the garage space by forty percent, enough space to accommodate the current buses will be created leaving enough space for twelve more buses if the need arises in future.

Can you calculate the number of buses that the company owns at present?