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

What does this mathematical rebus means ?

0 0 0 = 6
1 1 1 = 6
2 2 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

You can use any mathematical symbols in the space provided to make all above algebraic expressions true.

Which is the smallest number that you can write using all the vowels exactly once?

Look at the picture and find out which square is not linked with any of the other squares.

Count the number of triangles in the given picture.

You walk into an old horror house. It has no power or plumbing. Once inside, you see three doors. Each door has a number on it. Behind each door is a way for you to die. Behind door number one, you die by getting eaten by a lion. Behind door number two, you die by getting murdered. Behind door number three, you die by an electric chair. You can’t turn back, so you have to go through a door. Which door do you go through?

Count the number of triangles in the below picture?

what one word does the below rebus identifies?

Which Number is the odd one out?

A) 7145
B) 2716
C) 5321
D) 4135