The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?
There is a wide field of corn. A goose finds its way into the field and starts running. Can you find out till which point the goose can run into the field?