The difference between two numbers is 54. They are composed of the same two digits reversed. What are the numbers?
You can paddle your canoe eight miles per hour through any placid lake. The stream flows at three miles per hour. The moment you start to paddle up stream a fisherman looses one of his bobbers in the water sixteen miles up stream of you.
How many hours does it take for you and the bobber to meet?
You were given nine same looking coins of which one is fake – weighs less. You can use
even arm balance. How do you find out which coin is fake in two scalings?
The difference between two numbers is 54. They are composed of the same two digits reversed. What are the numbers?
You can paddle your canoe eight miles per hour through any placid lake. The stream flows at three miles per hour. The moment you start to paddle up stream a fisherman looses one of his bobbers in the water sixteen miles up stream of you.
How many hours does it take for you and the bobber to meet?
You were given nine same looking coins of which one is fake – weighs less. You can use
even arm balance. How do you find out which coin is fake in two scalings?
The difference between two numbers is 54. They are composed of the same two digits reversed. What are the numbers?
You can paddle your canoe eight miles per hour through any placid lake. The stream flows at three miles per hour. The moment you start to paddle up stream a fisherman looses one of his bobbers in the water sixteen miles up stream of you.
How many hours does it take for you and the bobber to meet?
You were given nine same looking coins of which one is fake – weighs less. You can use
even arm balance. How do you find out which coin is fake in two scalings?
