Question
All the even numbers from `12` to `34` are written on the board without spaces. As a result, the following number was obtained:
`121416182022242628303234`
Is this number divisible by `24`?
Difficulty level (1 very easy - 10 very hard): 1
Topics:
Arithmetic
Number Theory
->
Modular Arithmetic / Remainder Arithmetic
->
Divisibility Rules
->
Divisibility Rules by 2, 4, and 8
Number Theory
->
Modular Arithmetic / Remainder Arithmetic
->
Divisibility Rules
->
Divisibility Rules by 3 and 9
注讚讬 讚诪专讬 - 5 years ago