An odd integer between 600 and 800 is divisible by 7 and also divisible by 9. What is the sum
of its digits? Choose the most appropriate option:
A) 7  B) 12  C) 18  D) 21  E) 27
The integer is a multiple of 63. There are three such multiples between 600 and 800. They are   630, 693, and 756. Only 693 is odd.   correct answer 18
<result>C</result>
An odd integer between 600 and 800 is divisible by 7 and also divisible by 9. What is the sum
of its digits?