Divisible 6615

How many 3-digit numbers can be composed of the digit 1,3,5,7,9 if the digits are not allowed to be repeated in the number notation? How many of them are divisible by five?

Correct answer:

n =  60
m =  12

Step-by-step explanation:

n=5 4 3=60
m=4 3 1=12

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