The H.C.F. of two numbers is 11 and their L.C.M. is 693. If one of the numbers is 77,find the other.  Choose the correct choice from the following answers.
A) 99
B) 88
C) 77
D) 66
E) 55
Other number = 11 X 693/77 = 99   99nswer is 99.
<result>A</result>
The H.C.F. of two numbers is 11 and their L.C.M. is 693. If one of the numbers is 77,find the other.