Two fathers and two sons decided to go to a shop and buy some sweets upon reaching. Each of them bought 1 kg of sweet. All of them returned home after some time and found out that they had 3kg of sweets with them.

They did not eat the sweets in the way, nor threw or lose anything. Then, how can this be possible?

Find the number of squares in the below-given picture.

What is the word or phrase?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

Prove that twice of ten is the same as twice of eleven.

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?