Page 150 - New Medley 4 Semester 2 PDF (Merged)

EXERCISE 4.3

A. Find the duration between.

1. 8:05 a.m. and 8:45 a.m. 2. 4:40 p.m. and 7:20 p.m.

3. 9:15 a.m. and 1:30 p.m. 4. 6:50 p.m. and 4:12 a.m.

5. 12:08 a.m. and 3:17 p.m. 6. 1:20 a.m. and 5:10 p.m.

B. Find the sum.

1. 3 h and 7 h 2. 20 min and 35 min

3. 35 s and 45 s 4. 1 h 20 min and 45 min

5. 3 h 20 min and 6 h 50 min 6. 10 h 35 min and 8 h 30 min

7. 30 min 15 s and 25 min 40 s 8. 20 min 25 s and 30 min 48 s

C. Find the difference.
1. 6 h from 9 h 2. 17 s from 40 s

3. 26 min from 45 min 4. 1 h 10 min from 3 h 25 min
5. 16 h 26 min from 20 h 15 min 6. 30 min 30 s from 58 min 20 s

D. Solve the following problems.
1. The train left Delhi at 10:40 a.m. and reached Jaipur at 4:25 p.m. Find

the duration of the journey.
2. A movie started at 6:15 p.m. and got over at 8:40 p.m. How long was

the movie?

3. Amol studies for 3 hours 15 minutes, watches TV for 30 minutes and
plays carom for 20 minutes. How much time does he spend on these
activities?

4. The school opens at 8:30 a.m. and closes at 2:20 p.m. The lunch break is for

45 minutes. How long do the classes run?

Other Measures of Time

In the previous classes, we learnt that

1 week = 7 days; 1 month = 30 days; 1 year = 365 days or 12 months

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