Cecilia, Robbie, and Briony all bought stamps. The number of stamps Cecilia purchased was equal to a single digit. The number of stamps only one of them purchased was divisible by 4. The number of stamps one of them bought was an even number. Which of the following could represent the numbers of stamps each purchased?
Answers
A) 3, 8, 24 B) 7, 9, 17 C) 6, 9, 12 D) 5, 15, 18 E) 9, 10, 13
I didnt get your point on eliminating E.   The number of stamps only one purchased was divisible by 4.Could that not be Cecilia with 9 stamps.   I choose this and marked 9, 10, 13.
<result>E</result>
Cecilia, Robbie, and Briony all bought stamps. The number of stamps Cecilia purchased was equal to a single digit. The number of stamps only one of them purchased was divisible by 4. The number of stamps one of them bought was an even number. Which of the following could represent the numbers of stamps each purchased?