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If time taken by B be 2x days then time taken by A = x days. \( \Large \therefore \) \( \Large \frac{1}{x} + \frac{1}{2x} \) = \( \Large \frac{1}{14} \)=>\( \Large \frac{2 + 1}{2x} \) = \( \Large \frac{1}{14} \) => \( \Large {3}{x} \) = \( \Large \frac{1}{7} \) => x = 3 \( \Large \times \)7 = 21 days Part of solved Time and work questions and answers : >> Aptitude >> Time and work Comments Similar Questions No worries! We‘ve got your back. Try BYJU‘S free classes today! No worries! We‘ve got your back. Try BYJU‘S free classes today! No worries! We‘ve got your back. Try BYJU‘S free classes today! Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses Open in App Suggest Corrections 0
Guys, does anyone know the answer? get p is twice as good as q together they finish the work in 14 days from screen. A is twice as good a workman as B and together they finish a price of work in 14 days. In how many days can A alone finish the work?Click here👆to get an answer to your question ✍️ A is twice as good a workman as B and together they finish a price of work in 14 days. In how many days can A alone finish the work? Question A is twice as good a workman as B and together they finish a price of work in 14 days. In how many days can A alone finish the work?A13B15C17D21Medium Open in App Solution Verified by Toppr Correct option is D) Let the work done by B be x. ∴Work done by A =2x Work done by A and B together in 14 days =1 Work done by A and B together in 1 day = 14 1 ⇒ Work done by A in 1 day + Work done by B in 1 day = 14 1 x+2x= 14 1 ⇒3x= 14 1 ⇒x= 42 1 Work done by B in 1 day = 42 1 ∴ Work done by A in 1 day = 21 1 Hence, to finish the work, A require 21 days. Hence, A alone can finish the work in 21 days. Was this answer helpful? 174 15 स्रोत : www.toppr.com [Solved] P is twice as good as Q and together they finish a piece ofShort Trick: Number of days taken by P alone to complete the work = {(2 + 1) × 36}/2 = 54 days Detailed Solution: Given, P is twice as good as Q Home Quantitative Aptitude Time and Work Work Efficiency QuestionDownload Solution PDF P is twice as good as Q and together they finish a piece of work in 36 days. The number of days taken by P alone to finish the work? This question was previously asked in SSC MTS Previous Year Paper 52 (Held On : 04-Oct-2017 Shift 1) Attempt Online View all SSC MTS Papers > 48 60 54 72 Answer (Detailed Solution Below)Option 3 : 54 Free TestsView all Free tests > FREE RRC Group D Full Mock Test 541249 100 Questions 100 Marks 90 Mins Start Now Detailed SolutionDownload Solution PDF Short Trick:Number of days taken by P alone to complete the work = {(2 + 1) × 36}/2 = 54 days Detailed Solution:Given, P is twice as good as Q. ⇒ (P’s 1 day’s work) / (Q’s 1 day’s work) = 2 / 1 Given, ⇒ (P + Q)’s 1 day’s work = 1/36 ⇒ P’s 1 day’s work = (1/36) × (2/3) = 1/54 ∴ P alone can finish work in 54 days. Download Solution PDF Share on Whatsapp Stay updated with the Quantitative Aptitude questions & answers with Testbook. Know more about Time and Work and ace the concept of Work Efficiency. India’s #1 Learning Platform Start Complete Exam Preparation Daily Live MasterClasses Practice Question Bank Mock Tests & Quizzes Get Started for Free Download App Trusted by 2,82,39,028+ Students ‹‹ Previous Ques Next Ques ›› More Work Efficiency QuestionsQ1. A and B can do a piece of work in 18 days; B and C can do it in 24 days, A and C can do it in 36 days. In how many days B alone can finish the work?Q2. A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?Q3. A and B together can complete a particular task in 4 days. If A alone can complete the same task in 6 days, how many days will B take to complete the task if he works alone?Q4. A is twice as good a workman as B and B is twice as good a workman as C. If A and B can together finish a piece of work in 4 days. then C can do it by himself inQ5. If 3 men or 4 women can plough a field in 43 days, how long will 7 men and 5 women take to plough it?Q6. If 3 men or 6 women can do a piece of work in 16 days, in how many days can 12 men and 8 women do the same piece of work ?Q7. If 6 men and 8 boys can do a piece of work in 10 days and 26 men and 48 boys can do the same in 2 days, then the time taken by 15 men and 20 boys to do the same type of work will be :Q8. A and B together can do a piece of work in 6 days. If A can alone do the work in 18 days, then the number of days required for B to finish the work is:Q9. A can do a piece of work in 12 days while B alone can do it in 15 days. With the help of C they can finish it in 5 days. If they are paid Rs. 960 for the whole work. How much money A gets?Q10. Janardan completes23 of his work in 10 days. Time he will take to complete 35 of the same work, is More Time and Work QuestionsQ1. A and B can do a piece of work in 18 days; B and C can do it in 24 days, A and C can do it in 36 days. In how many days B alone can finish the work?Q2. A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day?Q3. A and B together can complete a particular task in 4 days. If A alone can complete the same task in 6 days, how many days will B take to complete the task if he works alone?Q4. A is twice as good a workman as B and B is twice as good a workman as C. If A and B can together finish a piece of work in 4 days. then C can do it by himself inQ5. 2 men and women together can complete a piece of work in 14 days, while 4 women and 2 men together can do it in 8 days. If a man gets Rs. 600 per day how much should a woman get per day ?Q6. If 3 men or 4 women can plough a field in 43 days, how long will 7 men and 5 women take to plough it?Q7. If 3 men or 6 women can do a piece of work in 16 days, in how many days can 12 men and 8 women do the same piece of work ?Q8. If 6 men and 8 boys can do a piece of work in 10 days and 26 men and 48 boys can do the same in 2 days, then the time taken by 15 men and 20 boys to do the same type of work will be :Q9. A and B together can do a piece of work in 6 days. If A can alone do the work in 18 days, then the number of days required for B to finish the work is:Q10. A can do a piece of work in 12 days while B alone can do it in 15 days. With the help of C they can finish it in 5 days. If they are paid Rs. 960 for the whole work. How much money A gets?स्रोत : testbook.com A is twice as good workman as B. Together, they finish the work in 14 days. In how many days can it be finish by B separatelyA is twice as good workman as B. Together, they finish the work in 14 days. In how many days can it be finish by B separately,Time and Work- Aptitude Questions and Answers,Aptitude Questions, Quantitative aptitude questions and answers with explanation for competitive examinations and entrance tests, fully solved aptitude questions with very detailed answer descriptions, Important Formulas, Average, Problems on Trains, Time and Work, Partnerships, Problems on Ages, Profit and Loss, Mixtures and Alligations, Clock, Calendar, Percentage, Time and Distance, Permutations and Combinations, Chain Rule, Area, Height and Distance NumbersHCF and LCMFractionsSimplificationSquare and Cube RootAverageProblems on AgesSurds and IndicesPercentageProfit and LossRatio and ProportionPartnershipTime and WorkPipes and CisternTime and DistanceProblems on TrainsBoats and StreamsAlligation or MixtureSimple InterestCompound InterestLogarithmAreaVolume and Surface AreaRaces And GamesCalendarClocksPermutation and CombinationProbabilityDiscountHeight and DistanceAlgebraTrianglesTrigonometryQuadrilateral Time and Work- Aptitude Questions and AnswersView in English View in Hindi A is twice as good workman as B. Together, they finish the work in 14 days. In how many days can it be finish by B separately? Correct Answer :A) 21 B) 48 C) 42 D) 35 42 Explanation :let A take X days to complete the work and B takes 2X days. A's one day work = 1/X , B's one day work = 1/2X (A+B)'s one day work => 1/X + 1/2X = 1/14 => 14/X + 14/2X = 1 => 14+7=X => X=21 Thus, B working alone will require 2*21=42 days to complete the work A working alone will require 21 days to complete the work Post/View Answer Post comment Cancel Santosh K2018-07-28 14:34:23 A is twice good as B So A's workdone in one day= 2x & B's workdone in one day= x So, 2x + x = 1/14 3x = 1/14 X = 1/42 So, B's workdone in oneday= 1/42 & A's workdone in one day= 1/21 So, A alone will take 21 days to complete a piece of work View in English View in Hindi |< ‹ Prev 1 2 3 Next › >| A is twice as good as workman as B and therefore able to finish a piece of work in 30 days less than B. In how many days can they complete the whole work together? Correct Answer :A) 20 days B) 40 days C) 60 days D) 80 days 20 days Explanation :Let A takes X days to complete the work and B takes 2X days according to question, A takes 30 days less than B, that is X = 2X – 30 X=30 thus ,A take 30 days to complete the work and B takes 60 days hence, A and B one days work is 1/30 + 1/60 = 1/20 Therefore, the whole job together they will be completed in 20 days Post/View Answer 16 workers working 6 hours day can build a wall of length 150m, breadth 20m, and height 12m in 25 days. In how many days 12 workers, working 8 hours a day will build a wall of length 800m, breadth 15m and height 6m? Correct Answer :A) 50 days B) 25 days C) 25 days D) 60 days 50 days Explanation :to build a wall of 150*20*12=36000 ,hours required = 16*6*25=2400 to build a wall of 800*15*6=72000 , which is exactly twice as big as the first one, You need 2400*2 hours = 4800 that is 12*8*days = 4800 days = 4800/96 = 50 Post/View Answer A can do a piece of work in 10 days while B can do the same work in 20 days. They start together but A leaves after three days. How many days will B take to complete the remaining work? Correct Answer :A) 14 days B) 8 days C) 12 days D) 11 days 11 days Explanation :One day's work of A and B = (1/10 + 1/20) = 3/20 Work done by A and B together in the 3 days = 3 (1/10 + 1/20) = 9/20 Remaining Work =1- 9/20 = 11/20 1/20 Work done by B in a day thus,11/20 Work wll be done by B in (11/20)*20 =11 days Post/View Answer If 3 men or 4 women can reap a field in 30 days, how long will 3 men and 6 women take to reap it? Correct Answer :A) 21 days B) 16 days C) 18 days D) 12 days 12 days Explanation :3 men can complete work in 30 days so, Work done by one man in a day = 1/(3*30) and Work done by one women in a day =1/(4*30)) Thus, 3 men and 6 women will work in a day => 3/(3*30) + 6/(4*30) = 1/30( 1 + 6/4) = (1/30)*(10/4) =>1/12 3 men and 6 women do 1/12th part of work in a day,so they will complete the work in 12 days Post/View Answer A is twice as good a workman as B, and finishes the work in 14 days less than B. In how many days can it be done by A alone? Correct Answer :A) 14 B) 21 C) 28 D) 42 14 Explanation :let A take X days to complete the work and B takes 2X days according to question, A takes 14 days less than B, that is X = 2X – 14 =>14 thus ,A take 14 days to complete the work and B takes 28 days. Post/View Answer 30 persons can do a piece of work in 24 days. How many more people are required to complete the work in 20 days? Correct Answer :A) 4 B) 5 C) 6 D) 10 6 Explanation :let X persons required to complete the work in 20 days then, work done => 30 * 24 = X *20 thus ,num of persons, X = 720 / 20 => 36 extra ,more people required = 36 - 30 = 6 persons Post/View Answer A can do a piece of work in 30 days while B can do it in 40 days. In how many days can A and B working together do it ? A) 70 days B) 171/4 days C) 190/7 days D) 120/7 days Correct Answer :स्रोत : webiwip.com |