You walk into a room that contains a match, a kerosene lamp, a candle and a fireplace. What would you light first?

Prove that twice of ten is the same as twice of eleven.

Why is 6 afraid of 7?

What is always in front of you but can’t be seen?

What has one letter and starts with an E?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

You are given 2 eggs.
You have access to a 100-storey building.
Eggs can be very hard or very fragile means it may break if dropped from the first floor or may not even break if dropped from 100th floor, Both eggs are identical.
You need to figure out the highest floor of a 100-storey building an egg can be dropped without breaking.
Now the question is how many drops you need to make. You are allowed to break 2 eggs in the process

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

In the image below, you can see two glasses and two matchsticks.You need to move four matchsticks in such a manner that the crosses come inside the glasses. Note: you cannot move the crossed.