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All questions of Time for Year 4 Exam
How many minutes are there in 2 hrs 30 minutes?- a)120
- b)90
- c)150
- d)230
Correct answer is option 'C'. Can you explain this answer?
How many minutes are there in 2 hrs 30 minutes?
a)
120
b)
90
c)
150
d)
230
|
Sudhir Mehta answered |
2 hours 30 minutes = 2 × 60 + 30 minutes = 150 minutes
What is the time corresponding to 1 p.m. in the 24 hour clock?- a)10:00 hours
- b)01:00 hours
- c)12:00 hours
- d)13:00 hours
Correct answer is option 'D'. Can you explain this answer?
What is the time corresponding to 1 p.m. in the 24 hour clock?
a)
10:00 hours
b)
01:00 hours
c)
12:00 hours
d)
13:00 hours
|
Yashina Kapoor answered |
The 24-hour clock is a way of telling the time in which the day runs from midnight to midnight and is divided into 24 hours, numbered from 0 to 24.
Hema ran a race in 109 seconds. She ran 12 seconds faster than Chandni. How long did Chandni take to run the race?
- a)1 minute 37 seconds
- b)1 minutes 39 seconds
- c)1 minute 42 seconds
- d)2 minutes 1 second
Correct answer is option 'D'. Can you explain this answer?
Hema ran a race in 109 seconds. She ran 12 seconds faster than Chandni. How long did Chandni take to run the race?
a)
1 minute 37 seconds
b)
1 minutes 39 seconds
c)
1 minute 42 seconds
d)
2 minutes 1 second
|
|
Sudhir Mehta answered |
No. of seconds Hema took to run the race = 109 seconds = 12 seconds faster than that of Chandni ∴ The time taken by Chandni to run the race = (109 + 12) seconds = 121 seconds = 2 minutes 1 second (Since 60 seconds = 1 minute.)
Sudha works 6 hours 30 minutes each day how long will she work over 5 days?- a)28 hours 30 minutes
- b)30 hours 30 minutes
- c)32 hours 30 minutes
- d)4 hours 30 minutes
Correct answer is option 'C'. Can you explain this answer?
Sudha works 6 hours 30 minutes each day how long will she work over 5 days?
a)
28 hours 30 minutes
b)
30 hours 30 minutes
c)
32 hours 30 minutes
d)
4 hours 30 minutes
|
|
Sudhir Mehta answered |
No. of hours of work per day = 6 hours 30 minutes
No. of hours of work for 5 days = 6 hours 30 minutes × 5 = 30 hours
150 minutes 60 minutes = 1 hour
∴150 minutes = 2 hours 30 minutes
∴ 30 hours 150 minutes = 30 hours + 2 hours 30 minutes = 32 hours 30 minutes
No. of hours of work for 5 days = 6 hours 30 minutes × 5 = 30 hours
150 minutes 60 minutes = 1 hour
∴150 minutes = 2 hours 30 minutes
∴ 30 hours 150 minutes = 30 hours + 2 hours 30 minutes = 32 hours 30 minutes
Leena will be 53 years old in 2019. What was her age in 1998?- a)32
- b)34
- c)72
- d)74
Correct answer is option 'A'. Can you explain this answer?
Leena will be 53 years old in 2019. What was her age in 1998?
a)
32
b)
34
c)
72
d)
74
|
|
Sudhir Mehta answered |
Leena will be 53 years old in 2019. Her age in 1998 was 32 years
How many weeks are there in 1 year?- a)55
- b)53
- c)51
- d)52
Correct answer is option 'D'. Can you explain this answer?
How many weeks are there in 1 year?
a)
55
b)
53
c)
51
d)
52
|
|
Sudhir Mehta answered |
There are 52 weeks in a year.
What time is it 10 minutes after 5:55 p.m.?- a)6:55 p.m.
- b)6:05 p.m.
- c)6:05 a.m.
- d)15:55 hours
Correct answer is option 'B'. Can you explain this answer?
What time is it 10 minutes after 5:55 p.m.?
a)
6:55 p.m.
b)
6:05 p.m.
c)
6:05 a.m.
d)
15:55 hours
|
|
Sudhir Mehta answered |
10 minutes after 5:55 p.m. will be 6:05 p.m.
How many quarter hours are there in 2 x1/2hours?- a)8
- b)10
- c)12
- d)14
Correct answer is option 'B'. Can you explain this answer?
How many quarter hours are there in 2 x1/2hours?
a)
8
b)
10
c)
12
d)
14
|
|
Sudhir Mehta answered |
1 hour = 4 quarter hours
∴ 
Shiela reached the library at 12:05 p.m. The bus ride to the library lasted 45 minutes. At what time did Shiela board the bus?- a)11:20 a.m.
- b)12:50 a.m.
- c)11:20 p.m.
- d)11:50 a.m.
Correct answer is option 'A'. Can you explain this answer?
Shiela reached the library at 12:05 p.m. The bus ride to the library lasted 45 minutes. At what time did Shiela board the bus?
a)
11:20 a.m.
b)
12:50 a.m.
c)
11:20 p.m.
d)
11:50 a.m.
|
|
Sudhir Mehta answered |
Time at which Shiela reached the library = 12:05 p.m. Duration of bus journey = 45 minutes. ∴ The time at which she boarded the bus =12:05 p.m.−45 minutes=11:20 a.m.
Mallesh sells 380 eggs per day. How many eggs would he sell in half a year? (1 year = 52 weeks)
- a)2660
- b)69160
- c)4712
- d)69221
Correct answer is option 'B'. Can you explain this answer?
Mallesh sells 380 eggs per day. How many eggs would he sell in half a year? (1 year = 52 weeks)
a)
2660
b)
69160
c)
4712
d)
69221
|
|
Sudhir Mehta answered |
No. of eggs sold per day = 380 ∴ No. of eggs sold per week =380×7=2660 1 year = 52 weeks 1/2year = 52/2weeks = 26 weeks ∴ No. of eggs sold in 26 weeks = 2660 × 26 eggs =69160 eggs
How is a quarter to eleven written?- a)10:15 a.m.
- b)10:45 a.m.
- c)11:15 a.m.
- d)11:45 a.m.
Correct answer is option 'B'. Can you explain this answer?
How is a quarter to eleven written?
a)
10:15 a.m.
b)
10:45 a.m.
c)
11:15 a.m.
d)
11:45 a.m.
|
|
Sudhir Mehta answered |
Quarter to is the opposite of quarter past. Quarter to 11 is the same as 10:45. It means there is a quarter of an hour (15 minutes) left until 11:00.
Janaki went to attend her mathematics class at 9:45 a.m. and came out at 11:40 a.m. What was the duration of her mathematics class?- a)1 hour 55 minutes
- b)1 hour 45 minutes
- c)1 hour 30 minutes
- d)1 hour 50 minutes
Correct answer is option 'A'. Can you explain this answer?
Janaki went to attend her mathematics class at 9:45 a.m. and came out at 11:40 a.m. What was the duration of her mathematics class?
a)
1 hour 55 minutes
b)
1 hour 45 minutes
c)
1 hour 30 minutes
d)
1 hour 50 minutes
|
|
Sudhir Mehta answered |
Janaki goes to classat = 9:45 a.m.
Janaki comes back home at = 11:40 a.m.
The time she spends in her maths class = 11:40 - 9:45
= 1:55
= 1 hours 55 minutes
Thus, Janaki spends 1 hours and 55 minutes in the math class.
Janaki comes back home at = 11:40 a.m.
The time she spends in her maths class = 11:40 - 9:45
= 1:55
= 1 hours 55 minutes
Thus, Janaki spends 1 hours and 55 minutes in the math class.
How many minutes are there in a day?- a)720
- b)1440
- c)1540
- d)420
Correct answer is option 'B'. Can you explain this answer?
How many minutes are there in a day?
a)
720
b)
1440
c)
1540
d)
420
|
|
Sudhir Mehta answered |
A day is commonly divided into 24 hours of 60 minutes, with each minute composed of 60 seconds.
Therefore, 24*60 = 1440 minutes
How many hours are there in the month of April?- a)30
- b)240
- c)720
- d)702
Correct answer is option 'C'. Can you explain this answer?
How many hours are there in the month of April?
a)
30
b)
240
c)
720
d)
702
|
|
Sudhir Mehta answered |
April has 30 days. Number of hours in April =30×24=720 hours
What time is it 2 hours before midnight? - a)10p.m.
- b)10a.m.
- c)2 a.m.
- d)2 p.m.
Correct answer is option 'A'. Can you explain this answer?
What time is it 2 hours before midnight?
a)
10p.m.
b)
10a.m.
c)
2 a.m.
d)
2 p.m.
|
Saumya Deshpande answered |
- The question is asking for the time that is 2 hours before midnight.
- Midnight is the time when the day ends and a new day begins. It is exactly 12 o'clock at night.
- To determine the time 2 hours before midnight, we need to subtract 2 hours from 12 o'clock.
- Subtracting 2 hours from 12 o'clock, we get 10 o'clock.
Explanation:
The correct answer is option 'A' which is 10 p.m. This means that the time 2 hours before midnight is 10 o'clock in the evening.
Here's a step-by-step explanation of the process:
Step 1: Understand the question
The question is asking for the time 2 hours before midnight.
Step 2: Determine the time for midnight
Midnight is the time when the day ends and a new day begins. It is exactly 12 o'clock at night.
Step 3: Subtract 2 hours from midnight
To find the time 2 hours before midnight, we need to subtract 2 hours from 12 o'clock.
12 - 2 = 10
Step 4: Interpret the result
The result of the subtraction is 10. Therefore, the time 2 hours before midnight is 10 o'clock.
Answer:
The time 2 hours before midnight is 10 p.m.
- Midnight is the time when the day ends and a new day begins. It is exactly 12 o'clock at night.
- To determine the time 2 hours before midnight, we need to subtract 2 hours from 12 o'clock.
- Subtracting 2 hours from 12 o'clock, we get 10 o'clock.
Explanation:
The correct answer is option 'A' which is 10 p.m. This means that the time 2 hours before midnight is 10 o'clock in the evening.
Here's a step-by-step explanation of the process:
Step 1: Understand the question
The question is asking for the time 2 hours before midnight.
Step 2: Determine the time for midnight
Midnight is the time when the day ends and a new day begins. It is exactly 12 o'clock at night.
Step 3: Subtract 2 hours from midnight
To find the time 2 hours before midnight, we need to subtract 2 hours from 12 o'clock.
12 - 2 = 10
Step 4: Interpret the result
The result of the subtraction is 10. Therefore, the time 2 hours before midnight is 10 o'clock.
Answer:
The time 2 hours before midnight is 10 p.m.
How many months in a year have 31 days?- a)8
- b)6
- c)7
- d)9
Correct answer is option 'C'. Can you explain this answer?
How many months in a year have 31 days?
a)
8
b)
6
c)
7
d)
9
|
|
Sudhir Mehta answered |
The months having 31 days in a year are January, March, May, July, August, October, and December.
Therefore, 7
In the year 2005, Maya's age was a multiple of 6. In year 2009, her age was a multiple of 11 .Which of the following is the best guess for Maya's age in the year 2009?- a)11 years old
- b)22 years old
- c)33 years old
- d)44 years old
Correct answer is option 'B'. Can you explain this answer?
In the year 2005, Maya's age was a multiple of 6. In year 2009, her age was a multiple of 11 .Which of the following is the best guess for Maya's age in the year 2009?
a)
11 years old
b)
22 years old
c)
33 years old
d)
44 years old
|
|
Sudhir Mehta answered |
Maya's age in 2005 was a multiple of 6. In 2009 it was a multiple of 11. From the given options, 22 ÷ 4 = 18 = 6 × 3 Thus, the best guess for Maya's age in 2009 is 22 years old.
How many months are there in 4 years 3 months?- a)41
- b)43
- c)51
- d)53
Correct answer is option 'C'. Can you explain this answer?
How many months are there in 4 years 3 months?
a)
41
b)
43
c)
51
d)
53
|
Rahul Kumar answered |
To find out how many months there are in 4 years 3 months, let's break it down:
- Number of months in 1 year = 12 months
- Number of months in 4 years = 4×12 = 48 months
- Additional months = 3 months
So, the total number of months is:
48 months + 3 months = 51 months
Answer: c) 51
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Mathematics for Year 4
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