It has five wheels, though often think four, You cannot use it without that one more, You can put things in it, you can strap things on top, You can't find it in the market, but you can still go shop. What is it?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

How many triangles are there on the puzzle below?

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?

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?

Can you place three balls such that the equation shown in the picture holds true?

What is the word or phrase below?
R | E | A | D

Give it food and it will live; give it water and it will die.

A man dies of old age on his 25 birthday. How is this possible?

Why Aeroplane windows are round?