Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111

There is a box full of marbles,
all but two are blue,
all but two are green,
and all but two are red.

How many marbles are in the box?

Why do you find that most of the buildings are deprived of the 13th floor?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

Can you solve this amazing hard number series problem?
7, 8, 10, 12, 16, 18 ?

Can you spot the man between the coffee bean in the picture below ?

Andrew’s doctor gives him three pills and tells him to take one every half hour. How much time will have passed by the time Andrew’s taken all three pills?

There are 20 people in an empty, square room. Each person has full sight of the entire room and everyone in it without turning his head or body, or moving in any way (other than the eyes). Where can you place an apple so that all but one person can see it?

Replace the question mark with the correct number below.