Comment below to share how you came up with the missing number!
Eventhough the 2 or 3 first quizzes in EZ were to test the format, it makes still sense to publish the official and detailed correct answer (being 144):
multiply the digits of each two numbers of the second row
Congratulation Ralph ! May be you had already answered to this in the past (Legacy-Maxim time...)
Anyhow, It is not evident to find the logic behind. But you get it (probably being in accounting, number associations have no secret for you!
Kuo-Chang
