If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

Who can jump higher than a Mountain?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

Take one out and scratch my head, I am now black but once was red. What am I?

I came first on earth but second on the heaven.
I also came twice in a week but found just once in a year.
I stay away from months but you can find me in February.

What am I?

Find the next number in the sequence

5 12 24 36 ?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

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?