A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

By adding four matchsticks, can you divide the square shown in the picture into two equal parts?

Andrew sees a very rare bird named "Ruppell's vulture". Soon Andrew was dead. Can you explain the mystery, Mr. Sherlock?

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

Samuel was out for a walk when it started to rain. He did not have an umbrella and he wasn't wearing a hat. His clothes were soaked, yet not a single hair on his head got wet. How could this happen?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

what does the below math rebus puzzle mean?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?

If 24H in a D => 24 hours in a day.
What does "64S on CB" stand for?

Can you count the number of rectangles on a chessboard?