Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

If you had an infinite supply of water and 5-quart and 3-quart pails, how would you measure exactly 4 quarts? What is the least number of steps you need?

How is a fly different from a mosquito?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

On a bright sunny day, two fathers took their son fishing in the lake. Each man and son were able to catch one fish. When they returned to their camp, there were only three fishes in the basket. What happened?

PS: None of the fish were eaten, lost, or thrown back.

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

How do you go from 98 to 720 using just one letter?

Solve the mathematical equation in the picture below.

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?