My Fussy Number

Discrete Mathematics Level 1

How many three-digit numbers can be formed from the digits 2, 3, 5, 6, 7, and 9 which are divisible by 5, greater than 500, and none of the digits is repeated?

Excel in math and science

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My Fussy Number

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 6 million people

Learn from a vibrant community of students and enthusiasts, including olympiad champions, researchers, and professionals.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.