Accidentally, two trains are running in the opposite direction and enter a tunnel that is 200 miles long. A supersonic bird that has fled the lab and taken shelter in the tunnel starts flying from one train towards the other at a speed of 1000 mph. As soon as it reaches the second train, he starts flying back to avoid collision and meets the first train again at the other end. The bird keeps flying to and fro till the trains collide with each other.

What is the total distance that the supersonic bird has traveled till the trains collided?

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

What is the longest word in the dictionary?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

There is an exact a week gap between Christmas and New Year. Hence, It is obvious that the new year that comes right after Christmas comes on the same day of the week.

A Strange thing happened in the Year 1777. Christmas occurs on Wednesday and New Year on Monday. How is that possible?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

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

Complete the series by replacing "?" with the correct number.

ST ND RD TH '?'

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?