If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Can you replace the question mark with the correct number in the below table sequence?

When 99 is considered higher than 100?

1 dollar = 100 cent
= 10 cent x 10 cent
= 1/10 dollar x 1/10 dollar
= 1/100 dollar
= 1 cent

=> 1 dollar = 1 cent

solve this tricky problem?

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

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

Solve this tricky question. You are trapped in a forest. With you, you have a gun preloaded with two bullets in it. In front of you, there is a tiger, a leopard and a jaguar.

How do you survive?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

When is the top of a mountain similar to a savings account?

I always drive my customer away.

Who am I?