If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

How is the moon similar to a dollar?

How many bricks does it take to complete a building that is 15 feet wide, 30 feet deep, and 12 feet tall made of brick?

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?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

I am dry when I go inside, but wet when I am pulled outside.
The longer I am inside, the stronger I get
When I am completely out, I am wet and I literally sag
Who am I?

Five thieves looted a bank and they ran away in a car. The bank staff informed the police and they began the search of their car in their jeep. They found them on a road and chased them eventually catching them. The light that is used to fill the number plate was broken on the thieves' car. Also, the headlights of the jeep police were not working. How were the police able to catch the thieves then?

What number when divided in half becomes zero?

What does below science rebus mean?

Ag Ag Ag
Ag SPOON Ag
Ag Ag Ag