self Maths Puzzle

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?

Read Solution (Total 3)

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 p.m both will voice again simultaneously.
11 years agoHelpfull: Yes(7) No(2)

the time will be 5 a.m...
11 years agoHelpfull: Yes(5) No(0)
after 5 hr tht is at 5 p.m
10 years agoHelpfull: Yes(0) No(0)

self Other Question

three baskets market a,b,c contain 83 apples in all.if a dozen apples are transfered from basket c,it will have six more than a if three apples are transferd from b to c,c will have half of b,how many apples should be transferd from b to c to make their nos equal? three no are selected at random one after another without replacement from n no.what is the probability that the no drawn will be smallest and the 2nd is the large?