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)?

Can you circle exactly four of these numbers such that the total is twelve?

1 6 1
6 1 6
1 6 1
6 1 6

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

My friends called me Iron59 because my parents are a chemist and a mathematician. What is my real name?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son.

How much did the widow receive?

I have Rs.50 and I spend it in the way as below.

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

You need to remove two matchsticks to make the below equation true. Can you do it ?

In a secret society, a buried chamber can be accessed only via a secret password. The password is seven characters long and comprises of just letters and numbers.

You find a code that can help you in cracking the password. The code says "You force heaven to be empty".

Can you deduce the password from that?