A watch which gains 5 seconds in 3 min. was set right at 7 a.m. In the afternoon of the same day, when the watch indicated quarter past 4 o'clock , the true time is :
A watch which gains uniformly is 2 minutes low at noon on Monday and is 4 min. 48 sec. fast at 2 p.m. on the following Monday, When was it correct ?
At what time between 5.30 and 6 will the hands of a clock be at right angles ?
At what time between 4 and 5 o'clock will the hands of a watch point in opposite directions ?
At what time between 7 and 8 o'clock will the hands of a clock be in the same straight line but , not together ?