Bricks Puzzle

#213

Three workers; Tom, Dick and Harry were laying a brick wall.

Tom can lay 1000 bricks in three hours, Dick can lay 1000 bricks in two hours and Harry can lay 1000 bricks in six hours.

How long will it take Tom, Dick and Harry to lay 1000 bricks if they all work together?

  Difficulty Level - 2/5

  Update Your Answers : Click Here

  Solution : 

  In 6 Hours, Tom can lay 2000 bricks, Dick can lay 3000 bricks and Harry can lay 1000 bricks; a total of 6000 bricks. 
So, in 1 Hour, they can lay 1000 bricks.