Problem 1224

Daily Math Challenge - October 09, 2024



Imagine that a new mathematical operation has been implemented by the scientific community.  The new operational symbol is $.  Given that

1 $ 1 = 1
2 $ 4 = 2
3 $ 4 = 8
4 $ 6 = 14
3 $ 7 = 5

Find the value of  7 $ 5.

 

Submit answer

Immediately after your correct answer is submitted, your name will be posted here.

Past problems
Individual Monthly & Annual Rankings
Leaderboard Monthly & Annual Rankings
Request solution

Custom Leaderboards Are Here!

Take the competition to the next level and encourage participation by creating custom leaderboards for your students or friends to join. Click below to try it out now!

Get Started with Custom Leaderboards