The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one of the numbers is 275, then the other is:
Options:
(A) 279
(B) 283
(C) 308
(D) 318
(E) 328 OK. Let's think. Some random thoughts first:
Other number = (11 x 7700)/275 = 308. The answer: (C).