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?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

What occurs twice in a week, once in a year but never in a day?

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

What has one eye, but can’t see?

I am taken from a mine and shut up in a wooden case, from which I am never released, and yet I am used by almost every person. What am I?

In a science lab, a petri dish hosts a healthy colony of yeast for an experiment. Now every minute, all the yeast cells divide into two. At noon, there was just a single cell of yeast and at 1:22, the Petri dish was half full. Can you calculate when the dish will be full of yeast?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?