Which of the following must be an integer if the integer x is divisible by both 27 and 21? Choose the correct choice from the following
A) x/252  B) x/189  C) x/126  D) x/108  E) x/89
the integer has to be multiple of LCM of 27 and 21, which is 189..   so x/126 will be an integer   ans x/89
<result>E</result>
Which of the following must be an integer if the integer x is divisible by both 27 and 21?