At what time between 7 and 8 o'clock the hands of clock will be together?

a) 23 minutes past 7
b) 21 1/11 minutes past 7
c) 38 2/11 minutes past 7
d) 11 1/11 minutes past 7
e) None of the above

• ans-3
  0=30*7-(11/2)m (here angle is 0 because when both the hands are together angle between them is 0)
  (11/2)m=210
  m=420/11 which can be written as 38 2/11
  
• 8 years agoHelpfull: Yes(3) No(3)