• # question_answer In a Delhi Office, the working hours are 9:00 am to 5:30 pm and in between 60 minutes are spent for lunch. Find the ratio of time spent on work to the time spent for lunch. A) $8:30$                         B) $2:17$C) $6:1$                           D) $15:2$

(d) Office hours $=9:0\,\,am$ to$5:30\,\,pm$ $=8.5\,\,hrs=510$minutes: out of this 60 minutes for lunch : time on work = 450 mins Lunch time = 60 minutes $\therefore$  Required ratio$=450:60=15:2$