Maharashtra Board Class 5 Math Solution Chapter 10 – Measuring Time
Balbharati Maharashtra Board Class 5 Math Solution Chapter 10: Measuring Time. Marathi or English Medium Students of Class 5 get here Measuring Time full Exercise Solution.
Std |
Maharashtra Class 5 |
Subject |
Math Solution |
Chapter |
Measuring Time |
PROBLEM SET 43
3.) If a bus that leaves Nashik at 5 o’clock in the morning reaches Pune that same day at ten thirty in the morning, how long does the journey take ?
The bus leaves Nashik at = 5.00 in morning, which is 5th hour of the day.
The bus reaches Pune at = 10.30 in morning, same day. We can also say it is the 10.30 hour of the day.
So calculating the time the bus took to reach Pune,
T | U | Tenths | Hundredths | |
1 | ||||
1
– |
0
5 |
.
. |
3
0
|
0
0
|
5 | . | 3 | 0 |
Answer = the journey take 5.30 hour
4.) A play that was to start at nine fifteen at night was delayed by half an hour because of a power outage. What time did the play start ?
The actual time of the game to start = 9.15 at night
The delay was half an hour or 30 minutes
The play started at,
T | U | Tenths | Hundredths | |
+ |
9
0 |
.
. |
1
3 |
5
0
|
9 | . | 4 | 5 |
Answer = the play started at 9.45
5.) If a train leaves Mumbai at ten fifteen at night and reaches Nagpur at one forty the next afternoon, how long does the journey take ?
The train leaves Mumbai at 10.15 at night
It reaches Nagpur at 1.40 next after noon
To calculate the total time we have to measure the time left in previous day, then add it with the time it takes the next day.
So, the time it takes in previous day
(12.00 – 10.15)
T | U | Tenths | Hundredths | |
1 | 1 | |||
1
– 1 |
2
0 |
.
. |
0
1 |
0
5
|
1 | . | 8 | 5 |
So, from above calculation we know it takes 1.85 hour on previous day.
Next, we have to calculate how much time it takes next day,
From night 12 to noon 12 is 12 hour. And 1.40 at afternoon is 1.40 hour after the noon.
So total time is takes in next day is (12.00 + 1.40) h
T | U | Tenths | Hundredths | |
1
+ |
2
1 |
.
. |
0
4 |
0
0
|
1 | 3 | . | 4 | 0 |
So, from above calculation we know it takes 13.40 hour on next day.
Total time the train takes to complete its journey (13.40 + 1.85)
T | U | Tenths | Hundredths | |
1 | ||||
1
+ |
3
1 |
.
. |
4
8 |
0
5
|
1 | 5 | . | 2 | 5 |
Answer = the journey takes 15.25 hour.
PROBLEM SET 44
1.) The time below is given by the 12 hour clock. Write the same by the 24 hour clock.
30 minutes past 10 in the morning —> 10.30
10 minutes past 8 in the morning —> 8.10
20 minutes past 1 in the afternoon —> 13.20
40 minutes past 5 in the evening —> 17.40
2.) Match the following.
PROBLEM SET 45
1.) Add the following :
(1) 2 hours 30 minutes + 4 hours 55 minutes
Hr | Min |
2 | 30 |
+4 | 55 |
6 | 85 |
(60 + 25) minutes are 85 minutes,
This is 1 hour and 25 minutes.
Let us add this 1 hour to 6 hours.
So the total time, 7 hours 25 minutes
(2) 3 hours 50 minutes + 4 hours 20 minutes
Hr | Min |
3 | 50 |
+4 | 20 |
7 | 70 |
(60 + 10) minutes are 70 minutes,
This is 1 hour and 10 minutes.
Let us add this 1 hour to 7 hours.
So the total time, 8 hours 10 minutes
(3) 3 hours 45 minutes + 1 hour 35 minutes
Hr | Min |
3 | 45 |
+1 | 35 |
4 | 80 |
(60 + 20) minutes are 80 minutes,
This is 1 hour and 20 minutes.
Let us add this 1 hour to 4 hours.
So the total time, 5 hours 20 minutes
(4) 4 hours 15 minutes + 2 hours 50 minutes
Hr | Min |
4 | 15 |
+2 | 50 |
6 | 65 |
(60 + 5) minutes are 65 minutes,
This is 1 hour and 5 minutes.
Let us add this 1 hour to 6 hours.
So the total time, 7 hours 5 minutes
- Subtract the following :
(1) 3 hours 10 minutes – 2 hours 40 minutes
Hr | Min |
1 | |
3 | 10 |
– 2 | 40 |
0 | 70 |
(60 +10) minutes are 70 minutes,
This is 1 hour and 10 minutes
Answer = 1 hour 10 minutes
(2) 5 hours 20 minutes – 2 hours 35 minutes
Hr | Min |
11 | |
5 | 20 |
– 2 | 35 |
2 | 85 |
(60 +25) minutes are 85 minutes,
This is 1 hour and 25 minutes
Let us add this 1 hour to 2 hours.
Answer = 3 hour 25 minutes
(3) 4 hours 25 minutes – 1 hour 55 minutes
Hr | Min |
1 | |
4 | 25 |
– 1 | 55 |
2 | 70 |
(60 +10) minutes are 70 minutes,
This is 1 hour and 10 minutes
Let us add this 1 hour to 2 hours.
Answer = 3 hour 10 minutes
(4) 6 hours 15 minutes – 2 hours 45 minutes
Hr | Min |
1 | |
6 | 15 |
–2 | 45 |
3 | 70 |
(60 +10) minutes are 70 minutes,
This is 1 hour and 10 minutes
Let us add this 1 hour to 3 hours .
Answer = 4 hour 10 minutes
3.) A government office opens at 7 in the morning and closes at 3 in the afternoon. How long is this office open ?
According to the 24 hour clock,
7 in the morning is 7:00
3 in the afternoon is 15:00
So the office keeps open for
Hr | Min |
15 | 00 |
–7 | 00 |
8 | 00 |
Answer = the office is open for 8 hours.
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?
The starting time of the movie 3.45 in after noon
The duration of the film = 2.30 hour
According to 24 hour clock,
3.45 in the afternoon is 15.45
Hr | Min |
15 | 45 |
+ 2 | 30 |
17 | 75 |
(60 +15) minutes are 75 minutes,
This is 1 hour and 15 minutes
Let us add this 1 hour to 17 hours .
Answer = So the ending time is 18 hour 15 minutes or according to 12 hour clock we can say 6.15 in the evening.
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 ?
Sakharam was plouging the field from 8 in the morning to 12.30 in the afternoon.
So he was ploughing for,
Hr | Min |
12 | 30 |
–8 | 00 |
4 | 30 |
He started for home at 12.30 and reached at 1.30,
According to the 24 hour clock,
1.30 in the is 13.40
So the total time he took to reach home,
Hr | Min |
13 | 30 |
–12 | 30 |
1 | 00 |
Answer = he was ploughing for 4.30hours and he took 1.30 hour to reach home .
6.) Rambhau started the water pump at ten thirty at night and put it off the same night at a quarter to twelve. How long was the water pump on?
Rambhau started the water pump at 10.30 at night.
And he put it off the same night at 11.45
The water pump was on for,
Hr | Min |
11 | 45 |
–10 | 30 |
1 | 15 |
Answer = the water pump was on for 1.30 hour
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?
Geeta taught in the morning for 2 hour and 25 minutes
She taught in the afternoon for 1 minute 45 minutes
So she was teaching for
Hr | Min |
1 | |
2 | 25 |
+1 | 45 |
3 | 70 |
(60+10) minutes are 70 minutes
That is 1 hour and 10 minutes.
Let us add this 1 hour to 3 hours
Answer = she was teaching for 4 hours and 10 minutes.
8.) If a bank is open for business from 10 in the morning to 4:30 in the evening, how long is it open?
The opening time of bank is 10 in the morning
The closing time of the bank 4.30 in the evening
According to 24 hour clock,
10 in the morning is 10.00
4.30 in the evening is 16.30
Hr | Min |
16 | 30 |
–10 | 00 |
6 | 30 |
Answer = it remains open for 4 hours and 30 minutes
9.) If a shop is open from 9:30 am to 10 pm, how long is it open?
Opening time of the shop = 9.30 am
Closing time of the shop = 10 pm
According to 24 hour clock,
9.30 am is 9.30
10 pm is 22.00
Hr | Min |
1 | |
22 | 00 |
–9 | 30 |
12 | 70 |
(60+10) minutes are 70 minutes
That is 1 hour and 10 minutes.
Let us add this 1 hour to 12 hours
Answer = the shop is open for 13 hours and 10 minutes.
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?
Maharashtra express leaves Kolhapur at 15.30
It arrives at Gondia next day at 20.15
So in order to calculate the total time of the journey we have to measure the total time left on the previous day of departure and also the time it takes next day to arrive, then add them to find out total time of the journey.
So time left on the previous day
Hr | Min |
1 | 1 |
24 | 00 |
–15 | 30 |
8 | 70 |
Time left on the previous day = 8.70 hour or (60+10) minutes are 70 minutes
That is 1 hour and 10 minutes.
Let us add this 1 hour to 8 hours and the time will be 9 hours and 10 minutes
Next day it reaches at 20.15
So total time it takes to reach the destination
Hr | Min |
20 | 15 |
+9 | 10 |
29 | 25 |
Answer = it takes 29 hours and 25 minutes to reach Gondia from Kolhapur.
For More Solutions, Click Below:
Part One:
- Chapter 1 Roman Numerals
- Chapter 2 Number Work
- Chapter 3 Addition and Subtraction
- Chapter 4 Multiplication and Division
- Chapter 5 Fractions
- Chapter 6 Angles
- Chapter 7 Circles
Part Two: