I’m tall when I’m young, and I’m short when I’m old. What am I?

How can you drop a raw egg from a height onto a concrete floor without cracking it?

There is a circular car race track of 10km. There are two cars, Car A and Car B. And they are at the exact opposite end to each other. At Time T(0), Both cars move toward each other at a constant speed of 100 m/seconds. As we know both cars are at the same speed they will always be the exact opposite to each other.
Note, at the center, there is a bug which starts flying towards Car A at time T(0). When the bug reaches car B, it turns back and starts moving towards the car A. The speed of bug is 1m/second. After 5 hours all three stop moving.
What is the total distance covered by the bug?

What is the largest amount of money that you can possess in change and still if someone asks you for a dollar, you won't be able to give?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

A deaf and mute man goes to the train station. Tickets for the train are 50 cents each. The man goes to the ticket booth and hands the man inside just a dollar. The man in the booth hands him two tickets.

How did the man in the booth know to give him two tickets without even looking at him?

How do you go from 98 to 720 using just one letter?

A cat had three kittens: Snophy, Topsy and Jorden. What was the mother's name?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?