What can you see in the middle of March and April that you can never see in any other month?

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

In 1990, a person is 15 years old. In 1995, that same person is 10 years old. How can this be?

Which of the eight images will fill the missing image in the puzzle below?

Today is a very icy and cold morning in Newcastle. Mr Shearer, an office bus driver arrived to pick up the employees from the last stop. Shearer suddenly remembers that he needs to pick a newly joined 4miles to the north. Mr Shearer lost his direction compass, a few minutes later Shearer is able to figure that he is moving in the correct direction i.e. north. How did Shearer know that he is moving in the correct direction?

Why 1729 is a magic number? Answer Logically.

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

You can hear me, but you can't touch or see me.

What am I?

I possess a head

I flaunt a tail

But I don't have mouth or legs

Can you find out who I am?

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____