Luca began a 520 km trip by car with 14 litres of fuel in the car tank
His car consumes 1 litre of fuel per 10 km. After driving 55 km, he saw a road sign showing the distances from that point to five petrol stations ahead on the road.These distances are 35 km, 45 km, 55 km, 75 km and 95 km.
The capacity of the car’s fuel tank is 40 litres and Luca wants to stop just once to fill the tank.
How far is the petrol station that he should stop at?
Select one option, then click Submit.
35 km
45 km
55 km
75 km
95 km
Select an option, then submit.
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.
Pink Kangaroo 2020 (2020)
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 →Pink Kangaroo 2020 (2020)