Practice30Create account

A wall clock gains 10 seconds every hour. It was set right at the time shown, 6:00 a.m. on Monday. What will it show at the true time of 6:00 p.m. on Wednesday?

Competition practiceClocks
  • A6:20 p.m.
  • B5:50 p.m.
  • C6:06 p.m.
  • D6:10 p.m.

Step-by-Step Solution

From 6 a.m. Monday to 6 p.m. Wednesday is 2 days 12 hours = 60 hours. The gain is min, so it shows 6:10 p.m. (6:20 p.m. counts 3 days; 5:50 p.m. treats the gain as a loss.)
Answer: D) 6:10 p.m.

Master this topic in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Clocks practice questions

More Clocks practice

At the time shown, how many minutes will pass before the minute hand is exactly on top…In the hour that begins at the time shown, for how long are the hands MORE than 90° apart?Clocks A and B were both set right at 9:00 a.m. A gains 5 minutes every hour and B loses…In the hour that begins at the time shown, for how long is the angle between the hands…A clock was set right at 12 noon. At a true time of 3:00 p.m. it showed 3:20, as on the…