Correct Answer Your Answer
1. 9 days
Correct Answer Your Answer2. 11 days
Correct Answer Your Answer3. 17days
Correct Answer Your Answer4. 22days
Answers
Related P is 20 % more efficient than Q, how much time will they working together take to complete a job which P alone could have done in 20 days ?a)9 daysb)11 daysc)17 daysd)22 dayse)None of theseCorrect answer is option 'B'. Can you explain this answer?
P : Q = 100 : 12010/12 = 20/x12/10 = x/20X = 24Q = 1/24 or 20*120/100 = 24P+Q = 1/20 + 1/24
= 24+20/480 = 44/480 = 10.91 = 11 days
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P is 20 % more efficient than Q, how much time will they working together take to complete a job which P alone could have done in 20 days ?a)9 daysb)11 daysc)17 daysd)22 dayse)None of theseCorrect answer is option 'B'. Can you explain this answer? for Quant 2022 is part of Quant preparation. The Question and answers have been prepared according to the Quant exam syllabus. Information about P is 20 % more efficient than Q, how much time will they working together take to complete a job which P alone could have done in 20 days ?a)9 daysb)11 daysc)17 daysd)22 dayse)None of theseCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Quant 2022 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for P is 20 % more efficient than Q, how much time will they working together take to complete a job which P alone could have done in 20 days ?a)9 daysb)11 daysc)17 daysd)22 dayse)None of theseCorrect answer is option 'B'. Can you explain this answer?.
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Exercise :: Time and Work - General Questions
16. | X and Y can do a piece of work in 20 days and 12 days respectively. X started the work alone and then after 4 days Y joined him till the completion of the work. How long did the work last? | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Answer: Option B Explanation:
Hence, total time taken = (6 + 4) days = 10 days. |
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17. | A is 30% more efficient than B. How much time will they, working together, take to complete a job which A alone could have done in 23 days? | |||||||||||||||||||||||||||||||||||||||
Answer: Option B Explanation:
Ratio of times taken by A and B = 100 : 130 = 10 : 13. Suppose B takes x days to do the work.
Therefore, A and B together can complete the work in 13 days. |
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18. | Ravi and Kumar are working on an assignment. Ravi takes 6 hours to type 32 pages on a computer, while Kumar takes 5 hours to type 40 pages. How much time will they take, working together on two different computers to type an assignment of 110 pages? | |||||||||||||||||||||||||||||||||||||||
Answer: Option C Explanation:
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Exercise :: Time and Work - General Questions
21. | A takes twice as much time as B or thrice as much time as C to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in: | ||||||||||||||||||||||||||||||||||
Answer: Option B Explanation:
So, B takes (12/2) = 6 days to finish the work. |
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22. | A and B can complete a work in 15 days and 10 days respectively. They started doing the work together but after 2 days B had to leave and A alone completed the remaining work. The whole work was completed in : | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Answer: Option C Explanation:
Hence, the total time taken = (10 + 2) = 12 days. |
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23. | A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work? | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Answer: Option A Explanation:
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Exercise :: Time and Work - General Questions
26. | A and B can do a work in 8 days, B and C can do the same work in 12 days. A, B and C together can finish it in 6 days. A and C together will do it in : | |||||||||||||||||||||||||||||||||||||||||||||||||
Answer: Option C Explanation:
So, A and C together will do the work in 8 days. |
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27. | A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. The remaining work was done by A in: | |||||||||||||||||||||||||||||||||||||||||||||||||||||
Answer: Option C Explanation:
|
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28. | X can do a piece of work in 40 days. He works at it for 8 days and then Y finished it in 16 days. How long will they together take to complete the work? | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Answer: Option A Explanation:
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Exercise :: Time and Work - General Questions
6. | If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the time taken by 15 men and 20 boys in doing the same type of work will be: | |||||||||||||||||||||||||||||||||
Answer: Option A Explanation:
Let 1 man's 1 day's work = x and 1 boy's 1 day's work = y.
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7. | A can do a piece of work in 4 hours; B and C together can do it in 3 hours, while A and C together can do it in 2 hours. How long will B alone take to do it? | |||||||||||||||||||||||||||||||||||||||||||
Answer: Option C Explanation:
|
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8. | A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in: | |||||||||||||||||||||||||||||||||||||||||||||||
Answer: Option C Explanation:
A's 1 day's work = (B + C)'s 1 day's work .... (ii)
So, B alone could do the work in 25 days. |
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Exercise :: Time and Work - General Questions
11. | A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days, A alone can finish the remaining work? | |||||||||||||||||||||||||||||||||
Answer: Option C Explanation:
|
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12. | 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it? | ||||||||||||||||||||||||||
Answer: Option B Explanation:
Let 1 man's 1 day's work = x and 1 woman's 1 day's work = y.
Hence, 10 women will complete the work in 40 days. |
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