Balbharti Maharashtra Board Class 5 Maths Solutions Chapter 10 Measuring Time Problem Set 45 Textbook Exercise Important Questions and Answers.
Maharashtra State Board Class 5 Maths Solutions Chapter 10 Measuring Time Problem Set 45
Question 1.
Add the following :
(1) 2 hours 30 minutes + 4 hours 55 minutes
Solution:
Hrs.  Min. 
1  
2 + 4 
3 0 5 5 
7  2 5 
85 minutes = 1 hr 25 min
(2) 3 hours 50 minutes + 4 hours 20 minutes
Solution:
Hrs.  Min. 
3 + 4 
5 0 2 0 
7  7 0 
8  1 0 
70 minutes = 1 hr 10 min.
(3) 3 hours 45 minutes + 1 hour 35 minutes
Solution:
Hrs.  Min. 
3 + 1 
4 5 3 5 
4  8 0 
5  2 0 
80 minutes = 1 hr 20 min
(4) 4 hours 15 minutes + 2 hours 50 minutes
Solution:
Min.  
4 + 2 
1 5 5 0 
6  6 5 
7  0 5 
65 minutes = 1 hr 05 min
Question 2.
Subtract the following :
(1) 3 hours 10 minutes – 2 hours 40 minutes
Hrs.  Min. 
2  60 + 10 
– 2 
1 0 4 0 
0  3 0 
(2) 5 hours 20 minutes – 2 hours 35 minutes
Solution:
Hrs.  Min. 
4  60 + 20 
3 5 

2  4 5 
(3) 4 hours 25 minutes – 1 hour 55 minutes
Hrs.  Min. 
3  60 + 25 
5 5 

2  3 0 
(4) 6 hours 15 minutes – 2 hours 45 minutes
Hrs.  Min. 
5  60 + 15 
4 5 

3  3 0 
Question 3.
A government office opens at 7 in the morning and closes at 3 in the afternoon. How long is this office open?
Solution:
Hrs.  Min. 
1 5 – 7 
0 0 Closing time 0 0 Opening time 
8  0 0 
∴ Office remain open for 8 hours
Question 4.
A movie starts at 45 minutes past 3 in the afternoon and finishes two and a half hours later. At what time does the movie end?
Solution:
∴ Movie ends at 6:15 in the evening
Question 5.
Sakharam was ploughing the field from 8 in the morning. At 12:30 in the afternoon, he stopped and started for home. He reached home at 1:30. How long was he ploughing the field? How long did it take him to reach home from the field?
Solution:
∴ He ploughed for 4:30 hrs. He took 1 hour to reach home.
Question 6.
Rambhau started the water pump at tenthirty at night and put it off the same night at a quarter to twelve. How long was the water pump on?
Solution:
Quater to 12 is 11:45 pm
∴ pump was on for 1 hour 15 minutes
Question 7.
Geeta taught in the classroom for 2 hours and 25 minutes in the morning and 1 hour and 45 minutes in the afternoon. How long was she teaching in all?
Solution:
∴ Total teaching of Geeta was for 4 hrs 10 min.
Question 8.
If a bank is open for business from 10 in the morning to 4:30 in the evening, how long is it open?
Solution:
Here, in 24 hours clock, 4:30 in the evening = 16:30
∴ Bank opens for 6 hrs 30 min.
Question 9.
If a shop is open from 9:30 am to 10 pm, how long is it open?
Solution:
Here, 10 pm in 24 hours clock is 22:00
∴ Shop opens for 12 hours 30 minutes
Question 10.
If the Maharashtra Express leaving from Kolhapur at 15:30 arrives at Gondia the next day at 20:15, how long is the journey from Kolhapur to Gondia?
Solution:
15:30 to next 15:30 is 24 hours
24 hours + 4 hr. 45 min. = 28 hr. 45 min.
∴ jurney from Koihapur to Gondiya is 28 hours and 45 minutes.
Measuring Time Problem Set 45 Additional Important Questions and Answers
Question 1.
Add the following.
(1) 5 hours 25 minutes + 2 hours 35 minutes
Solution:
Hrs.  Min. 
5 + 2 
2 5 3 5 
7  6 0 
8  0 0 
60 minutes = 1 hr
(2) 6 hours 55 minutes + 2 hours 15 minutes
Solution:
Hrs.  Min. 
6 + 2 
5 5 1 5 
8  7 0 
9  1 0 
70 minutes = 1 hr. 10 min
Question 2.
Subtract the following.
(1) 7 hours 30 minutes – 4 hours 50 minutes
Solution:
Hrs.  Min. 
6  60 + 30 
– 4 
5 0 
2  4 0 
(2) 2 hours 35 minutes – 1 hour 40 minutes
Solution:
Hrs.  Min. 
1  60 + 35 
4 0 

0  5 5 
Question 3.
Solve the following:
(1) Supriya left for a picnic at 7:15 am. She came back at 6:45 pm. How long was she out for the picnic?
Here 6:45 pm = 18:45 (In 24 hours clock)
Solution:
Hrs.  Min. 
1 8 – 7 
4 5 1 5 
1 1  3 0 
∴ Total time of picnic is 11:30 hrs.
(2) In Dave’s school, the tree planting ceremony started at 10:00 in the morning and got over at 13:45. How long did the ceremony go on?
Solution:
Hrs.  Min. 
1 3 – 1 0 
4 5 1 5 
3  4 5 
∴ Ceremony of planting tree go on for 3 hrs 45 min
Question 4.
Write the time shown in each clock in the box given below it.
Answer:
35 minutes past 3
Answer:
Five minutes to 5
Answer:
Quarter to 2
Answer:
Half past eight
Question 5.
Draw the hands of the clock to show the time given in the box.
Answer:
Quater past 6
Answer:
50 minutes past 1
Answer:
Half past 3
Answer:
5 minutes to 5
Question 6.
The time below is given by the 12 hour clock. Write the same by the 24 hour clock.
(1) 45 minutes past 8 in the morning.
(2) 30 minutes past 2 in the evening.
(3) 50 minutes past 7 in the evening.
(4) 15 minutes past 11 in the evening.
(5) 25 minutes past after midnight.
(6) 25 minutes past 12 in afternoon.
Answer:
(1) 8:45
(2) 114:30
(3) 19:50
(4) 23:15
(5) 00:25
(6) 12:25
Question 7.
Match the following.
‘A’  ‘B’ 
(1) 7:20 am  (a) 13:20 
(2) 1:20 pm  (b) 22:10 
(3) 6:10 pm  (c) 7:20 
(4) 10:10 pm  (d) 6:10 
(5) 6:10 am  (e) 18:10 
Answer:
(1 – c),
(2 – a),
(3 – e),
(4 – b),
(5 – d)
Question 8.
Add the following.
(1) 3 hours 40 minutes + 2 hours 55 minutes
(2) 5 hours 25 minutes + 4 hours 35 minutes
(3) 6 hours 45 minutes + 1 hour 30 minutes
(4) 7 hours 50 minutes + 2 hours 30 minutes
(5) 9 hours 10 minutes + 3 hours 20 minutes
(6) 15 hours 45 minutes + 20 hours 15 minutes
Answer:
(1) 6 hrs 35 min
(2) 10 hrs
(3) 8 hrs 15 min
(4) 10 hrs 20 min
(5) 12 hrs 30 min
(6) 36 hours
Question 9.
Subtract the following.
(1) 4 hours 20 minutes – 1 hour 30 minutes
(2) 3 hours 25 minutes – 1 hour 45 minutes
(3) 5 hours 10 minutes – 2 hours 40 minutes
(4) 2 hours 15 minutes – 50 minutes
(5) 9 hours 10 minutes – 6 hours 10 minutes
(6) 17 hours 30 minutes – 5 hours 25 minutes
Answer:
(1) 2 hours 50 minutes
(2) 1 hour 40 minutes
(3) 2 hours 30 minutes
(4) 1 hour 25 minutes
(5) 3 hours
(6) 12 hours 05 minutes
Question 10.
Solve the following word problems.
(1) A play started at 9:50 at night and finished at 11:45 the same night. What was the duration of the play?
(2) Ramu went out at 10:45 in the morning and came back home at 7 pm. How long he was out of the home?
(3) Local train started from the Virar station at 8:35 am and reached at Churchgate at 10:30 am. Find the journey time taken by the train.
(4) Anita started her homework at 5:45 pm and completed the work at 7:30 pm. How much time is taken by Anita for the homework?
(5) One day test started at 9:15 am and the test ends at 4.10 in the evening. How much time was taken for this test?
(6) Seema travelled for 2 hours and 20 minutes by train and 1 hour 30 niinutes by bus. What the total time of her journey?
(7) A train that starts from Mumbai at 17:50 reaches Nira at 2:10. How long does the Mumbai – Nira journey take?
Answer:
(1) 1 hour 55 minutes
(2) 8 hrs 15 min
(3) 1 hr 55 min
(4) 1 hr 45 min
(5) 6 hrs 55 min
(6) 3 hrs 50 min
(7) 8 hrs 20 min