Which is heavier: a ton of bricks or a ton of feathers?

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

Who always enjoys poor health?

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

How can you write nineteen in a manner that if we take out one, it becomes twenty?

Name a key which is hardest to turn.

A gardener planted the Lemon trees in a mathematical ordered way (i.e. he planted a tree in rows).
He created a total of 19 rows of trees.

Note: There should be more than 2 trees to count as a row.

What is the minimum number of trees required by the gardener to have 19 rows of trees?

The LCD device should be able to tell the right time in the format HH:MM: SS in a 12-hour format. You can refer to the picture to get an idea. The device is a simple "level indicator" which has to be converted into a watch. How will you program it to work?

What is the next shape from answers A, B, C, and D figure?