In every 30 minutes the time of a watch increases by 3 minutes. After showing the correct time at 5 a.m; what time will the watch show after 6 hours? (a) 10:54 a.m.    (b) 11:30 a.m.    (c) 11:36 a.m. (d) 11:42 a.m.          (e) 11:38 p.m.

In every 30 minutes the time of a watch increases by 3 minutes. After setting the correct time at 5 a.m. what time will the watch show after 6 hours ?

A clock goes slow from midnight by 5 minutes at the end of the first hour, by 10 minutes at the end of the second hour, by 15 minutes at the end of the third hour and so on. What will be the time by this clock after 6 hours? (a) 5.15 a.m. (b) 5.30 a.m. (c) 6 a.m. (d) 6.30 a.m.

At a telephone exchange, three phones ring at intervals of 20sec, 24 sec and 30 seconds. If they ring together at 11:25 a.m, when will they next ring together? A 11: 29 a.m. B. 11:27 a.m C. 11:51 a.m D 12:29 p.m

An electronic device makes a beep after every 60 sec. Another device makes a beep after every 62 sec. They beeped together at 10 a.m. The next time, when they would beep together at the earliest is (a) 10.30 a.m. (b) 10.31 a.m. (c) 10.59 a.m. (d) 11 a.m.

A watch goes fast by 15 minutes compared to the right time everyday.If it is corrected and set to the standard time at 12O' clock at noon, which of the following will be the time shown by it at 4:00 a.m.in the morning? (a) 3:45 a.m. (b) 4:10 a.m.(c) 4:15 a.m.(d) 4:30 a.m.

Imagine that your watch was correct at noon, but then it began to lose 30 minutes each hour. It now shows 4 p.m.but it stopped 5 hours ago.What is the correct time now? (a) 9.30 p.m.quad (b) 11 p.m.( c) 1 a.m.quad (d) 1.30 a.m.

At which time number of minutes elapsed since midnight is nine times the number of minutes before noon? (a) 8.30 a.m. (b) 6.56 a.m. (c) 9.46 a.m. (d) 10.48 a.m.

In a shop. There are three clocks which chime at intervals of 15,20 and 30 minutes respectively. They all chimetogether at 10 a.m. At what time will they all chime together again ?