There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

What has 13 hearts but no other organs?

Why are televisions attracted to people?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

What do you see in the image below

If you had an infinite supply of water and 5-quart and 3-quart pails, how would you measure exactly 4 quarts? What is the least number of steps you need?

Can you replace the question mark with the correct number in the below table sequence?

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?