Two whole numbers whose sum is 72 cannot be in the ratio Choose the correct choice from the following answers.
A) 3 : 4
B) 3 : 5
C) 4 : 5
D) 5 : 7
E) None
Sol.   The sum of the ratio terms must divide 72. So, the ratio   cannot be 3 : 4.   3 : 4nswer 3 : 4
<result>A</result>
Two whole numbers whose sum is 72 cannot be in the ratio