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?

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

Three brothers Jacob, John, and James live in Mexico City. The product of the ages of these brothers is 175. Jacob and John are twins. How old is James?

If you're 8 feet away from a door and with each move you advance half the distance to the door. How many moves will it take to reach the door?

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

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

Which English verb becomes past tense just by rearranging the letters?

Can you name four days which start with the letter 'T'?

There are nine dots in the picture that has been attached with this question. Can you join all the dots by drawing four straight lines without picking up your pen?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?