4

# A watch which gains uniformly, is 6 min. slow at 8 o'clock in the morning Sunday and it is 6 min. 48 sec. fast at 8 p.m. on following Sunday. When was it correct?

at 20 min. past 7 p.m. on Wednesday.

at 35 min. past 7 p.m. on Wednesday.

at 50 min. past 7 p.m. on Wednesday.

at 24 min. past 7 p.m. on Wednesday.

A. at 20 min. past 7 p.m. on Wednesday.

Time from 8 a.m. on Sunday to 8 p.m. on following Sunday = 7 days 12 hours = 180 hours

The watch gains (5 + 29/5) min. or 54/5 min. in 180 hrs.

Now 54/5 min. are gained in 180 hrs.

5 min. are gained in (180 x 5/54 x 5) hrs. = 83 hrs 20 min. = 3 days 11 hrs 20 min.

Watch is correct 3 days 11 hrs 20 min. after 8 a.m. of Sunday.

It will be correct at 20 min. past 7 p.m. on Wednesday.

4

# A watch which gains uniformly, is 6 min. slow at 8 o'clock in the morning Sunday and it is 6 min. 48 sec. fast at 8 p.m. on following Sunday. When was it correct?

at 20 min. past 7 p.m. on Wednesday.

at 35 min. past 7 p.m. on Wednesday.

at 50 min. past 7 p.m. on Wednesday.

at 24 min. past 7 p.m. on Wednesday.

4

# At what time between 4 and 5 o'clock will the hands of a clock be at right angle?

at 32/11 min. past 4.

at 32/11 min. past 4.

at 35/11 min. past 4.

at 40/11 min. past 4.

4

10 p.m.

11 p.m.

911 p.m.

12 p.m.

4

at 120/11 min.

at 122/11 min.

at 127/11 min.

at 130/11 min.

4

# At what time between 2 and 3 o'clock will the hands of a clock be together?

123/11 min. past 2.

120/11 min. past 2.

120/10 min. past 2.

127/11 min. past 2.

4

# At what time between 5 and 6 o'clock are the hands of a clock 3minapart?

at 344/11 min. past 5.

at 346/11 min. past 5.

at 348/11 min. past 5.

at 349/11 min. past 5.

4

38 min. past 12.

40 min. past 12.

48 min. past 12.

50 min. past 12.