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

What can you hold in your right hand, but never in your left hand?

I hide my treasure in the ground, my tail is big and fluffy. If you spot me in a tree, please don’t call me scruffy. What am I?

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

There was an aeroplane crash, every single person died, but two people survived. How is this possible?

Can you count the number of blocks in the picture below?

I have an apple tree , number of apple in this tree get doubles every week.

On 30th week , the tree gets completely filled with apples :-)



Can you tell me , on what week does my tree is half covered with apples ?

John can eat 27 chocolates in an hour, Jacob can eat 2 chocolates in 10 minutes, and Jolly can eat 7 chocolates in 20 minutes. How long will it take them to share and eat a box of 120 chocolates whilst playing Chess?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?