My TV screen has sides in the ratio 16 : 9. My mother's TV screen has sides in the ratio 4 : 3. A picture which exactly fills the screen of my TV only fills the width of the screen of my mother's TV. What fraction of the screen on my mother's TV is not covered?
Select one option, then click Submit.
\frac{1}{6}
\frac{1}{5}
\frac{1}{4}
\frac{1}{3}
\text{It depends on the size of the screen.}
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.
Junior Kangaroo 2018 (2018)
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 →Junior Kangaroo 2018 (2018)