The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

Can you count the number of lines in the below picture?

I have no life, but I can die. What am I?

How can you tell a raw egg from a hard-boiled egg?

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

Two prisoners Jack and Jill are locked in a cell.
There is open window approx 40 feet above the ground of the cell.
They are never able to reach there.

Then they plan to escape by a tunnel and they start digging out.
After digging for more than 20 days, Jill comes with the different plan and they escaped.

what was the plan ?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Can you find out the missing number in the grid?

What can you hold in your right hand, but never in your left hand?

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?