Move four matchsticks to the below square to form three squares?

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

Different lights make me strange by changing me into different sizes. What am I?

Which wheel of car does not rotate when you turn your car right?

Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Two friends decide to get together; so they start riding bikes towards each other. They plan to meet halfway. Each is riding at 6 MPH. They live 36 miles apart. One of them has a pet carrier pigeon and it starts flying the instant the friends start traveling. The pigeon flies back and forth at 18 MPH between the 2 friends until the friends meet.

How many miles does the pigeon travel?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

What is in seasons, seconds, centuries and minutes but not in decades, years or days?

There was a strange boy who was born before his father. How can this be possible?