You need to move three matchsticks to form three squares. Can you do it?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

Can you count the number of triangles in the given picture?

Here is a mathematical expression that also secretly tells a movie name. What movie is that?

John went to meet his friend Jacob, but when he was about to reach the main gate, John notices that Jacob had a mighty dog who was fastened to the tree. The chain is long enough that it allows the dog to reach the main gate.

How can the John reach the main gate?

What is the fastest way to double your money?

How many times can you subtract the number 5 from 25?

Here is a conversation between a couple who both are software professionals.

Husband: Hey! What is your date of birth?
Wife Replied Angrily: It is 591062400
Husband after doing some calculations replied, "Got It".

What is the DOB of the wife?

Two girls were born to the same mother, on the same day, at the same time, in the same month and year and yet they're not twins. How can this be ?

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 ?