You are on a Boat in the mid of a river. You have two cigarettes with you. One of these two you have to light, how will you light the cigarette?

Find the value of "a" by solving the maths equation in the picture below:

What happened when the wheel was invented?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

If your uncle’s sister is not your aunt, what relation is she to you?

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

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

How can you take 2 from 5 and leave 4?

No one wants to have it, but if one got it, he does not want to lose it. What is It?