On a planet oz there are 8 days in a week- Sunday, Saturday and another day called oz day. There are 36 hrs in a day and each day has 90 minutes while each minute has 60 sec. As on earth the hour hand covers the dial twice every day. Find the approximate angle between the hands on clock on oz when the time is 11:40am.

• If the statement
  There are 36 hrs in a day and each day has 90mts while each minute has
  60 sec.
  is to read as
  
  There are 36 hrs in a day and each hr has 90mts while each minute has
  60 sec.
  then
  
  hr hand moves in 1 hr by 360/18 = 20 degrees
  hr hand moves in 1/2 hr by 10 deg. 0r 20/90 deg in 1 min
  so hr hand moves by 20*11 + 40*20/90 = 220+9(app) = 229 deg
  Min hand moves by 360 deg in 90 mins.
  or
  min hand moves by 4 deg per min. and 160 deg in 40 mins.
  
  so angle between the hands on clock on oz when the time is 11:40am = 229-160 = 69 deg
• 12 years agoHelpfull: Yes(13) No(0)
• 69 deg
  
  well explained by Pargat Pal singh.
• 12 years agoHelpfull: Yes(3) No(0)
• 69 degrees
• 12 years agoHelpfull: Yes(1) No(1)