What work can one never finish?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

Find out which of the given views in the picture is accurately the top view of the given pyramid.

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Can you find out the total number of triangles in the given figure?

The centre of the third figure is empty. What digit should fit inside?

The world's largest Thanksgiving turkey was on display at a fair. Everyone was admiring it when suddenly a woman ran up and shot the turkey and left. Everyone knew her yet nobody made any attempts to stop or report her. Why?

I know a ten-letter word in the English language which can be typed using only the top rows of the computer keyboard.

Sally lives in a place where six months of the year is mild summer and the temperature drops significantly the other six months. She owns a lake where there is a small island. She wants to build a house on the island and needs to get materials there. She doesn’t have a boat, plane, or anything to transport them to the island. How does Sally solve this problem?

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?