Can you convert the number zero(0) into a positive number using just one mathematical operator ?

Thirty friends were on a hiking trip when they decided to enjoy the bonfire. They assembled for it and agreed to play a game. For that, they divided themselves into five teams with seven members each, forming five rows.

How did they manage to achieve this formation?

what does this below rebus represent identXQQQQQME

First, think of the colour of clouds. Next think the colour of snow. Last, think of the colour of the moon. Now, what do cows drink?

What is the fastest way to double your money?

If you drop a 15 kg iron bar and a 5 kg bag of cotton from a height of 50 meters which will reach the ground first?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

Lifeless eyes on my smiling face and watch your child's sleeping place. In their dreams they hold me tight. What am I?

What is at the end of a rainbow?