Which is faster, Heat or Cold ? Explain.

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

If an electric train is travelling south, then which way is the smoke going?

I speak without a mouth, and hear without ears. I have no-body, but I come alive with the wind. What am I?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

I know a 5-digit number having a property that With a 1 after it, it is three times as large as it would be with a one before it.

Guess the number?

As we know that white starts the game of chess. Can you find the scenario shown in the picture below is possible when all the white pieces are at the original place while the black pawn is not as in the below picture?

I’m tall when I’m young, and I’m short when I’m old. What am I?

I’m tall when I’m young, and I’m short when I’m old. What am I?