Exercise 5.1 - Chapter 5 Time Term 1 5th Maths Guide Samacheer Kalvi Solutions - SaraNextGen [2024-2025]

Updated On May 15, 2024

By SaraNextGen

Ex 5.1  : Chapter 5 - Time - Term 1 - 5th Maths Guide Samacheer Kalvi Solutions
Question $1 .$
Write down your school time table of the following:
a. Morning school break time to morning school ending time.
b. Morning school working time.
c. Afternoon school working time.
d. Afternoon Lunch break time.
Answer:
a. Morning school break time to morning school ending time
Morning school ending time $=12$ hours 40 minutes
Morning School break time $=11: 00$ hours
Morning school break time to Morning school ending time
$=12$ hours 40 minutes $-11: 00$ Hrs
$=1$ hour 40 minutes
Hours Minutes

b. Morning school working time
Morning school class time $=12$ hours 40 minutes
Morning school first bell $=9$ hours 30 minutes
Morning school working time
$=12$ hours 40 minutes $-9$ hours 30 minutes

= 3 hours 10 minutes

c. Afternoon school working time
Evening school closing time $=4$ hours 10 minutes
Starting time $=2: 00$ hours
Afternoon school working time
$=4$ hours $10 \mathrm{~min}-2: 00$ hours
$=2$ hours 10 minutes

d. Afternoon Lunch break time

Lunch time = 14 hours

Question 2.

Match the following

Answer

Question $3 .$
Addition
a. 4 hours 30 minutes $+2$ hours 50 minutes $=$
b. 4 hours 50 minutes $+2$ hours 30 minutes $=$
c. 3 hours 45 minutes $+1$ hours 35 minutes $=$
d. 1 hours 50 minutes $+3$ hours 45 minutes $=$
e. 2 hours 25 minutes $+4$ hours 50 minutes $=$

Answer
a. 4 hours 30 minutes $+2$ hours 50 minutes

b. 4 hours 50 minutes + 2 hours 30 minutes

c. 3 hours 45 minutes + 1 hours 35 minutes

d. 1 hours 50 minutes $+3$ hours 45 minutes

e. 2 hours 25 minutes + 4 hours 50 minutes

Question $4 .$
Subtract
a. 5 hours 10 minutes $-2$ hours 35 minutes $=$
b. 4 hours 20 minutes $-2$ hours 40 minutes $=$
c. 4 hours 25 minutes $-1$ hours 20 minutes $=$
d. 6 hours 55 minutes $-2$ hours 20 minutes $=$
e. 5 hours 45 minutes $-3$ hours 55 minutes $=$

Answer:
a. 5 hours 10 minutes $-2$ hours 35 minutes

b. 4 hours 20 minutes – 2 hours 40 minutes

c. 4 hours 25 minutes $-1$ hours 20 minutes $=$

d. 6 hours 55 minutes $-2$ hours 20 minutes $=$

e. 5 hours 45 minutes $-3$ hours 55 minutes $=$

Question $5 .$
Answer the following:
a. An office works from 10 a.m working hours? to 6 p.m What is the durati< Answer:
Office works closing time $=18: 00$ hours
Office works starting time $=10: 00$ hours
Office working hours $=18: 00$ hours $-10: 00$ hours $=8: 00$ hours

b. A school works from morning 9 O'clock to evening $4 \mathrm{O}^{\prime}$ Clock. What is the duration of working hours of the school
Answer:
School closing time $=16: 00$ hours
Starting time $=9: 00$ hours
Working hours $==16: 00$ hours $-9: 00$ hours
$=7$ hours 00 minutes

c. A circus starts at $12: 15 \mathrm{pm}$ and ends by $2: 30 \mathrm{pm}$. What is the duration of circus?
Answer:
Circus ending time $=14$ hours 30 minutes
Circus Starting time $=12$ hours 15 minutes
Duration $=14$ hours 30 minutes $-12$ hours 15 minutes
- 2 hours 15 minutes
d. A bank works from morning $9: 30$ a.m. to $4: 30$ p.m. working time of the bank?
[Subtract afternoon lunch break 1 hour to 2 hours]
Answer.
Bank closing time $=16$ hours 30 minutes
Bank starting time $=9$ hours 30 minutes
= 16 hours 30 minutes $-9$ hours 30 minutes
$=7: 00$ hours
lunch break $=1: 00$ hour
$=7: 00$ hours $-1: 00$ hour
$=6: 00$ hour
working hour $=6$ hours

e. A man comes to his village in Tamilnadu from Ahmedabad. He travels 2 hours 15 minutes in Aeroplane and 4 hours 40 minutes in Car. What is the total time of travel?
Answer:
Hours taken by Aeroplane $=2$ hours 15 minutes
Hours taken by car $=4$ hours 40 minutes
Travelling time $=2$ hours 15 minutes $-4$ hours 40 minutes
$=6$ hours 55 minutes

f. A painter paints a house for 3 hours 15 minutes in morning and 2 hours 50 minutes in evening. What is the total time he painted?
Answer:
Morning painting time $=3$ hours $-15$ minutes
Evening painting time $=2$ hours $-50$ minutes
total hours $=3$ hours $-15$ minutes $+2$ hours $-50$ minutes
$=5$ hours $-65$ minutes
Bank starting time $=5$ hours $-65$ minutes
Total Working hours $=2$ hours $-50$ minutes $+5$ hours $-65$ minutes
$=6$ hours $-05$ minutes