Replace the question mark with the correct number in below Picture:

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

There’s a one-story house in which everything is yellow. Yellow walls, yellow doors, yellow furniture. What colour are the stairs?

On a beautiful Sunday morning, You ordered a hot tea to your hotel room and suddenly you remember an important thing that needed to be done right now will take around 3 minutes to complete.
Like most people you like your tea to be hot while drinking so, when should you pour cream in the tea?
1. straight away
2. Just people, you drink the team
3. Its does not matter

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

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

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?

Count the squares in the matchstick puzzle below?

Which letter of the alphabet has the most water?