Problem 1080
Daily Math Challenge - February 01, 2024
Quick one
Determine the missing value (?) in the following list of numbers.
1, 3, 6, 12, 4, 7, 8, 15, 6, ?, 14, 17, 9, 15, 18, 20
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!