What is black when you buy it, red when you use it, and gray when you throw it away?

What's the best place to go shopping in the ocean?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

What is the word or phrase?

Why is the Hole below a Lock?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

Replace the question mark with the number below given a simple math problem.

A man is found dead with a knife in his back When the investigation is done. A chair lays beside him and the forensic team finds moisture around the body.

If he committed suicide, how did he do it?

Find the missing number in the image below.

A plane crashed between the border of Mexico and America. Where do you bury the survivors?