Clocks

1

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. `59 7/12`min. past 3
B. 4 p.m.
C. `58 7/11` min.past 3
D. `2 3/11` min past 4.

2

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 ?

A. 2 p.m. on Tuesday
B. 2 p.m. on Wednesday
C. 3 p.m. of Thursday
D. 1 p.m. on Friday

3

At what time between 5.30 and 6 will the hands of a clock be at right angles ?

A. `43 5/11` min. past 5
B. `43 7/11` min. past 5
C. 40 min. past 5
D. 45 min. past 5

4

At what time between 4 and 5 o'clock  will the hands of a watch point in opposite directions ?

A. 45 min. past 4
B. 40 min. past 4
C. `50 4/11` min. past 4
D. `54 6/11` min. past 4

5

At what time between 7 and 8 o'clock will the hands of a clock be in the same straight line but , not together  ?

A. 5 min. past 7
B. `5 2/11` min past 7.
C. `5 3/11` min past 7.
D. `5 5/11` min past 7.