Page 241 - New Medley 5 Semester 1

C. Express the following into days.
1. 360 hours 2. 3600 hours

3. 12 weeks 4. 9 months

5. 8 years 6. 4 years 11 months 2 weeks

D. Express the following into years, months, weeks and days.

1. 300 days

2. 1835 days

3. 4000 days

4. 9658 days

5. 46968 hours

E. Match the following.

1. A decade (a) 2001–3000 ad

2. A leap year (b) 2021–2030 ad

3. A millennium (c) 1901–2000 ad

4. A century (d) 2015

5. A calendar era (e) 2012

F. Calculate the following time periods.

1. From 8th December 2023 to 26th January 2024.

2. From 25th February 2023 to 9th September 2023.

3. Vinay started going to public school on 21-03-2023.

How long would he study here till 31-03-2026?

4. Mr Takkar went to Canada on 6th July 2023 and returned to India on
18th November 2024. How much time did he spend in Canada?

Operations on Units of Time

Example 4: Add the following:
(a) 6 h 15 min 26 s and 5 h 25 min 24 s

(b) 15 h 38 min 30 s and 14 h 25 min 40 s

239