Peter set off on his bike to go to Oxford from his cottage. He aimed to arrive at 15:00. When he had used up of the time available, he realised that he had covered of the distance. He then changed his speed so he arrived exactly on time. What is the ratio of the speed for the first part of the journey to the speed for the second part?
Sign in or create an account to reveal answers, view the solution, and save your progress. Create a free account to unlock practice and keep track of your work.
Grey Kangaroo 2014 (2014)
One puzzle per day. Cryptarithm, Magic Square, Summit. No sign-up required to play.
Play daily puzzle →Interactive problems and curated lessons—water pouring, magic squares, knight's tour, and more.
Browse library →See how you rank. Top solvers by problems solved correctly. Sign in to climb the ranks.
View leaderboard →Grey Kangaroo 2014 (2014)