A clock is set right at 10 am. The clock gains 10 minutes in a day. What will be the true time when the watch indicates 3 pm the next day?
correct answer:-4
A watch which gains uniformly is 2 minutes slow at 10:00 AM on Monday and is $$2\frac{1}{2}$$ minutes fast at 1:00 PM the following day. When did it show the correct time ?
correct answer:-4