a wall clock rings after every 1 hr and a wrist watch beep after every 25 min.they voice together at 12 a.m,time taken to voice again simultaneously?  Choose one:	A) 4 a.m	B) 5 a.m	C) 6 a.m	D) 7 a.m	E) 8 a.m
1 hr = 60 minutes   So, L.C.M. of 60 and 25 is = 300   300 minutes = 5 hr   So after 5 hr that is at 5 a.m both will voice again simultaneously.   ANSWER:5 a.m
<result>B</result>
a wall clock rings after every 1 hr and a wrist watch beep after every 25 min.they voice together at 12 a.m,time taken to voice again simultaneously?