If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

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?

Replace the question mark with the correct number below.

Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

What begins with T, ends with T, and has T in it?

You are playing a game with your friend Jack. There are digits from 1 to 9. You both will take turn erasing one digit and adding it to your score. The first one to score 15 points will win the game.

Would you want to play first or second?

PS: The sum should be exactly 15.

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

Why is Saturday stronger than Monday?