Class 6 Exam > Class 6 Questions > 12 boys can dig a pitch in 12 hours. How long...
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12 boys can dig a pitch in 12 hours. How long will 18 boys take to do it ?
- a)8 hours
- b)6 hours
- c)9 hours
- d)12 hours
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
12 boys can dig a pitch in 12 hours. How long will 18 boys take to do ...
12 boys can dig a pitch in 12 hours
∴ 1 boy can dig a pitch in 12 × 12 hours
Hence, 18 boys can dig a pitch in
= 8 hours
∴ 1 boy can dig a pitch in 12 × 12 hours
Hence, 18 boys can dig a pitch in
= 8 hours
Most Upvoted Answer
12 boys can dig a pitch in 12 hours. How long will 18 boys take to do ...
Given:
- Number of boys = 12
- Time taken by 12 boys to dig a pitch = 12 hours
To find:
- Time taken by 18 boys to dig the same pitch
Assumption:
- The rate of work done by each boy is the same.
Solution:
To solve this problem, we can use the concept of "man-hours". Man-hours represent the total amount of work done by a group of people in a given time period.
Let's calculate the man-hours required to dig the pitch by 12 boys in 12 hours:
Man-hours = Number of boys × Time taken
Man-hours = 12 × 12
Man-hours = 144
Now, let's calculate the time taken by 18 boys to dig the same pitch:
Time taken = Man-hours / Number of boys
Time taken = 144 / 18
Time taken = 8
Therefore, 18 boys will take 8 hours to dig the pitch.
Answer:
The correct option is (a) 8 hours.
- Number of boys = 12
- Time taken by 12 boys to dig a pitch = 12 hours
To find:
- Time taken by 18 boys to dig the same pitch
Assumption:
- The rate of work done by each boy is the same.
Solution:
To solve this problem, we can use the concept of "man-hours". Man-hours represent the total amount of work done by a group of people in a given time period.
Let's calculate the man-hours required to dig the pitch by 12 boys in 12 hours:
Man-hours = Number of boys × Time taken
Man-hours = 12 × 12
Man-hours = 144
Now, let's calculate the time taken by 18 boys to dig the same pitch:
Time taken = Man-hours / Number of boys
Time taken = 144 / 18
Time taken = 8
Therefore, 18 boys will take 8 hours to dig the pitch.
Answer:
The correct option is (a) 8 hours.
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12 boys can dig a pitch in 12 hours. How long will 18 boys take to do it ?a)8 hoursb)6 hoursc)9 hoursd)12 hoursCorrect answer is option 'A'. Can you explain this answer? for Class 6 2025 is part of Class 6 preparation. The Question and answers have been prepared according to the Class 6 exam syllabus. Information about 12 boys can dig a pitch in 12 hours. How long will 18 boys take to do it ?a)8 hoursb)6 hoursc)9 hoursd)12 hoursCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 6 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 12 boys can dig a pitch in 12 hours. How long will 18 boys take to do it ?a)8 hoursb)6 hoursc)9 hoursd)12 hoursCorrect answer is option 'A'. Can you explain this answer?.
12 boys can dig a pitch in 12 hours. How long will 18 boys take to do it ?a)8 hoursb)6 hoursc)9 hoursd)12 hoursCorrect answer is option 'A'. Can you explain this answer? for Class 6 2025 is part of Class 6 preparation. The Question and answers have been prepared according to the Class 6 exam syllabus. Information about 12 boys can dig a pitch in 12 hours. How long will 18 boys take to do it ?a)8 hoursb)6 hoursc)9 hoursd)12 hoursCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Class 6 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for 12 boys can dig a pitch in 12 hours. How long will 18 boys take to do it ?a)8 hoursb)6 hoursc)9 hoursd)12 hoursCorrect answer is option 'A'. Can you explain this answer?.
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