Worksheet on Addition of Hours, Minutes and Seconds
Practice the questions given in the worksheet on addition of hours, minutes and seconds.
Note: Here we need to add the hours, minutes and seconds separately.
I. Find the sum of the following:
1. 3 hr. 17 min. 24 sec. + 4 hr. 32 min. 14 sec.
2. 6 hr. 10 min. 31 sec. + 7 hr. 38 min. 05 sec.
3. 2 hr. 15 min. 10 sec. + 4 hr. 20 min. 27 sec.
4. 4 hr. 35 min. 28 sec. + 3 hr. 16 min. 26 sec.
5. 5 hr. 37 min. 34 sec. + 8 hr. 32 min. 19 sec.
6. 14 hr. 32 min. 21 sec. + 16 hr. 24 min. 29 sec.
7. 12 hr. 26 min. 17 sec. + 14 hr. 37 min. 35 sec.
8. 17 hr. 23 min. 12 sec. + 21 hr. 29 min. 38 sec.
9. 39 hr. 43 min. 21 sec. + 12 hr. 21 min. 32 sec.
10. 6 hr. 17 min. 13 sec. + 14 hr. 28 min. 46 sec.
11. 24 hr. 27 min. 36 sec. + 18 hr. 29 min. 17 sec.
12. 10 hr. 43 min. 10 sec. + 11 hr. 16 min. 49 sec.
13. 38 hr. 21 min. 19 sec. + 21 hr. 10 min. 42 sec.
14. 14 hr. 24 min. 16 sec. + 15 hr. 29 min. 56 sec.
15. 36 hr. 42 min. 58 sec. + 24 hr. 16 min. 49 sec.
16. 17 hr. 24 min. 29 sec. + 21 hr. 37 min. 23 sec.
17. 36 hr. 18 min. 24 sec. + 32 hr. 44 min. 28 sec.
18. 24 hr. 17 min. 34 sec. + 18 hr. 48 min. 19 sec.
19. 17 hr. 36 min. 12 sec. + 28 hr. 54 min. 23 sec.
20. 43 hr. 12 min. 19 sec. + 27 hr. 19 min. 06 sec.
21. 18 hr. 27 min. 36 sec. + 22 hr. 53 min. 48 sec.
22. 36 hr. 42 min. 54 sec. + 14 hr. 28 min. 32 sec.
23. 42 hr. 17 min. 32 sec. + 17 hr. 49 min. 39 sec.
24. 23 hr. 52 min. 43 sec. + 12 hr. 19 min. 32 sec.
25. 20 hr. 54 min. 24 sec. + 30 hr. 12 min. 14 sec.
26. 12 hr. 48 min. 36 sec. + 10 hr. 20 min. 23 sec.
27. 12 hr. 56 min. 24 sec. + 11 hr. 14 min. 14 sec.
28. 14 hr. 54 min. 46 sec. + 13 hr. 17 min. 21 sec.
29. 32 hr. 56 min. 12 sec. + 28 hr. 24 min. 10 sec.
30. 30 hr. 54 min. 10 sec. + 26 hr. 22 min. 8 sec.
31. 28 hr. 52 min. 8 sec. + 24 hr. 20 min. 6 sec.
32. 26 hr. 50 min. 6 sec. + 22 hr. 18 min. 4 sec.
II. Add the given time.
(i) 24 minutes 42 seconds and 27 minutes 11 seconds
(ii) 32 minutes 19 seconds and 20 minutes 53 seconds
(iii) 2 hour 43 minutes 10 seconds and 8 hour 37 minutes 48 seconds
(iv) 6 years 8 months and 7 years 3 months
(v) 10 years 5 months and 12 years 9 months
(vi) 7 weeks 3 days and 5 weeks 2 days
Answers for the worksheet on addition of hours, minutes and seconds are given below.
Answers:
I. 1. 7 hr. 49 min. 38 sec.
2. 13 hr. 48 min. 36 sec.
3. 6 hr. 35 min. 37 sec.
4. 7 hr. 51 min. 54 sec.
5. 14 hr. 09 min. 53 sec.
6. 30 hr. 56 min. 50 sec.
7. 27 hr. 03 min. 52 sec.
8. 38 hr. 52 min. 50 sec.
9. 52 hr. 04 min. 53 sec.
10. 20 hr. 45 min. 59 sec.
11. 42 hr. 56 min. 53 sec.
12. 21 hr. 59 min. 59 sec.
13. 59 hr. 32 min. 01 sec.
14. 29 hr. 54 min. 12 sec.
15. 60 hr. 59 min. 47 sec.
16. 39 hr. 01 min. 52 sec.
17. 69 hr. 02 min. 52 sec.
18. 43 hr. 05 min. 53 sec.
19. 46 hr. 30 min. 35 sec.
20. 70 hr. 31 min. 25 sec.
21. 41 hr. 21 min. 24 sec.
22. 51 hr. 11 min. 26 sec.
23. 60 hr. 07 min. 11 sec.
24. 36 hr. 12 min. 15 sec.
25. 51 hr. 06 min. 38 sec.
26. 23 hr. 08 min. 59 sec.
27. 24 hr. 10 min. 38 sec.
28. 28 hr. 12 min. 07 sec.
29. 61 hr. 20 min. 22 sec.
30. 57 hr. 16 min. 18 sec.
31. 53 hr. 12 min. 14 sec.
32. 49 hr. 08 min. 10 sec.
II. (i) 51 minutes 53 seconds
(ii) 53 minutes 12 seconds
(iii) 11 hours 20 minutes 58 seconds
(iv) 13 years 11 months
(v) 23 years 2 months
(vi) 12 weeks 5 days
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