SOLUTION: One of five consecutive whole numbers is 43. What is the unit digit in the product of these five numbers?

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: One of five consecutive whole numbers is 43. What is the unit digit in the product of these five numbers?      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 390407: One of five consecutive whole numbers is 43. What is the unit digit in the product of these five numbers?
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Zero. Exactly one of the five numbers is 0 modulo 5 (i.e it is divisible by 5) and at least two numbers are divisible by 2. Therefore the product is divisible by 10.