I am a seven-letter word but if you remove four of my letters I will have one left. What word am I?

A pack of cards has 40 cards. You are blindfolded. Out of 40, 25 cards are facing down while 15 are facing up. You have been asked to divide this pack of cards into two decks - so that each deck contains an equal number of face-up cards. Remember, you are blindfolded.

How will you do it?

Whats the next number in the below number sequence pattern.

There is a bag which have 21 blue balls and 23 red balls. You also have 22 red balls outside the bag. Randomly remove two balls from the bag. * If they are of different colors, put the blue one back in the bag. * If they are the same colour, take them out and put a red ball back in the bag. Repeat this until only one ball remains in the bag. What is the color of the sole ball left in the bag ?

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see? What is it?

What can you serve, but never eat?

How many times can you subtract the number two from the number fifty?

A man in a car saw a Golden Door, Silver Door and a Bronze Door. What door did he open first?

A boy and his father are caught in a traffic accident, and the father dies. Immediately the boy is rushed to a hospital, suffering from injuries. But the attending surgeon at the hospital, upon seeing the boy, says 'I cannot operate. This boy is my son.' How is this situation explained?

81 x 9 = 801. What must you do to make the this equation true?