An alarm clock, due to some mechanical defect, moves 1 minute faster every half an hour. If the alarm is set for 3 in the afternoon at noon, then when will the
![19CM Visual Timer, 60 Timer, Countdown Timer Large, 1 Hour Timer, Exam Timer, Kitchen Timer, Loud Alarm Sound 60 Minutes, for Classroom Teaching Homework Games Cooking Office Meeting, Black : Amazon.co.uk: Home 19CM Visual Timer, 60 Timer, Countdown Timer Large, 1 Hour Timer, Exam Timer, Kitchen Timer, Loud Alarm Sound 60 Minutes, for Classroom Teaching Homework Games Cooking Office Meeting, Black : Amazon.co.uk: Home](https://m.media-amazon.com/images/I/71lCiG4884L._AC_UF894,1000_QL80_.jpg)
19CM Visual Timer, 60 Timer, Countdown Timer Large, 1 Hour Timer, Exam Timer, Kitchen Timer, Loud Alarm Sound 60 Minutes, for Classroom Teaching Homework Games Cooking Office Meeting, Black : Amazon.co.uk: Home
![Visual Timer, 60 Minutes Countdown Timer, Kids Time Education Tool, 7.6CM Timer, 1 Hour Timer, Exam Timer, Kitchen Timer, Silent Movement, Loud Alarm, for Classroom Teaching Homework Games, Yellow : Amazon.co.uk: Home Visual Timer, 60 Minutes Countdown Timer, Kids Time Education Tool, 7.6CM Timer, 1 Hour Timer, Exam Timer, Kitchen Timer, Silent Movement, Loud Alarm, for Classroom Teaching Homework Games, Yellow : Amazon.co.uk: Home](https://m.media-amazon.com/images/I/41+ws5o1ohL._AC_.jpg)