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. Four men and four wo, , i ed, 4, A&B working together can complete a piece of work, wor, , in 72 days, B & C working together, « ca, same work in 90 days and A & C matinee the, complete the same work in 75 days. If A, i: a ait, . , starts, , working together, then find in how ma i, wortng ee ny days will the |, , Zz 4, (a) 55 z days (b) 52 7 days (c) 59 days, (a) 49= days (e) 50" days ", , | Shubham work for 5 days and remaining work was, , completed by Harvinder in 9 days. If Harvinder worl, for 12 days then remaining work was conniglstad |, Shubham in 3 days, then find how much ae, Harvinder will take to complete the work alone., , (a) 11 a (b) 16; days (c) 162 days, , (d) l15days (e) 6=days, , . Apipe can fill a tank in 36 minutes & another pipe can, , fill itin 48 minutes, but a third Pipe can empty it in 18, minutes. The first two pipes are kept open for 16, minutes in the beginning then the third Pipe is also, opened. In what time is the cistern emptied?, , (a) 120 min (b) 80 min (c) 96 min, , (d) 112 min (e) 144 min, , _ There are three pipes-A, B &C. A & Bare filling pipes |, , and C is emptying pipe. Pipe-A alone can fill the tank in, 1 hour & pipe-C is 20% more efficient than pipe-A. If, pipe-A & B working together fill the tank in 2 minutes,, then find in how much time pipe-A, B & C working, together can fill the tank?, , (a) 6 hours (b) 4.5 hours, (d) 3 hours (e) 5 hours, , ks for 20 days and Manoj works for 15, n completed. If, , (c) 2.5 hours, , If Hemant wor:, , days then 3th of the work has bee!, , 5, Manoj works for 6 days and Hemant works for 16 days, how, , then 2th of the work has ‘, many days both can complete the work together., (a) 30 days (b) 50 days (c) 75 days, , (d) 60 days (e) Can't be determine., , been completed. Find in, , work in'5 days, while six men &8, the same work in 3 days. If ten men and, three times of the previous work and com, = day, then find ‘x’?, , (a) 4 (b) 2, (d) 6 (e) 10, , plete it in 6

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7., , 10., , 11., , 12., , , , A & B together can finish a certain piece of work in 6, days. If A reduces his efficiency by 20 % and B, increases his efficiency by 30 %, then work will be, finish in same time. If A work with his original, efficiency and B work with 2 times of his efficiency,, then in how many days working together work will be, finished?, , (a) 7 days (b) “ days (c)3 : days, (d) None of these (e) 42 days, , Efficiency of B is 40% more than efficiency of A and, efficiency of C is 150% of efficiency of B. B alone can, complete 40% of work in 6 days. Then, find in how, many days 60% of the same work will be completed by, A&C working together, if A is working with 5% more, , efficiency., (a) 4 days (b) 6 days (c) 5 days, (d) 3 days (e) 7 days, , Pipe P, can fill % th of the tank in 9 minutes. There are, two more pipes Pz and P3, in which Pz is 50% more, efficient than P, and P3 pipe is 5/9 th as efficient as P2., Then calculate the time taken by all the three pipes to, fill that tank when opened together ?, , (a) 5 min (b) 6 min (c) 7% min, , (d) 3% min (e) 4% min, , Anurag can complete a piece of work in 280 days and, Rohit is 335 % more efficient than Anurag. Anurag and, , Veer together can complete the same piece of work in, 180 days. If all three-start working together, then find, in how many days the work will be completed?, , (a) 116 days (b) 138 days (c) 134 days, , (d) 102 days (e) None of the above., , If ‘a’ number of males can do a work in (2a —8) days, while (a —8) number of males can do that work in (2a, , + 12) days, then find in how many days 5a number of, , males can do 33 5% of that work?, , (a) 12 days (b)82 days —(c) 6= days, (d) 8 days (e) 9 days, The time taken by A, B and C to complete work alone is, , 12days, 15days and Sdays respectively. Find in how, many days A and B complete 60% of the work., , (a) 12 days (b) 9 days (c) 8 days, , (d) 7 days (e) 4 days

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itative or, A Complete Guide on Quantits Is, , 13., , 14,, , 15., , 16., , 17., , 18., , 19, , ‘: ecal, Acan do 5/8 ofa piece of work in 25days os How, B and they finish the remaining work ", long B alone will take to do whole work?, (a) 10 days, (b) 20days, (c) 5 days, (d) Data inadequate, (e) None of these, A&Bcan complete a work in 24 days or days, respectively. A & B together start work and after ‘| 28, C joined him. If remaining work complete by all ? ', in 3 = days, then find in how many days B & C can, complete the 75% of work together? \, (a) 9 day (b) 8 days (c) 7, days, (a) 6 + days (e) 1idays |, , and 36 days, , A, B & C working together can complete a work in 18, days and A & C working together can com plete same, piece of work in 30 days. C is 50% more efficient than, A. In how many days the same work will be completed, by all three, if A & B are working with 50% more, efficiency., , (a) 16 = days (b) 245 days (c) 13 z days, (d)19+days — (e) 12 days, , A working alone & B working alone can complete a, piece of work in 15 days & 9 days respectively. B & C, working together can complete’same work in 6 days. If, A&C starts working together on same work, then find, in how many days the work will be completed?, , (a) 65 days (b) 75 days (c) 5 days, (d) 8 = days (e) 4° days ', , Veer is 20% more efficient than Anurag and Sameer is, 33 5% less efficient than Veer. When all three work, together complete a work in 32 days. Find in how many, days Veer & Sameer together can complete the same, work?, , (a) 48 days (b) 24 days (c) 36 days, , (d) 28 days (e) 54 days, , Pipe-B & D are inlet pipes and pipe-A & C are outlet, pipes. Pipe-B & D together can fill the tank in 22 hours, 3 :, , Pipe-B is 20% & 200% more efficient than Pipe-C & A, respectively. If efficiency of pipe-C is 50 liters/hr, then, find in how many hours all the pipes working together, can fill the same tank?, , (a) 15 hours (b) 18 hours (c) 12 hours, , (d) 9 hours (e) 21 hours, , Manish and Suresh can do a task A in 48 days and 60, days respectively. If they together can complete, another task B in x days and Manish alone can

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complete the task B in (x+ 16) days, then find in yo, many days Suresh alone can complete task B? Ww, , (a) 45days (b) 36days (c) 28days, (d) 40days (e) 48days, , a faye 20. P can do a work in () of time in which Qalone can, , do and R can do the same work in same time as p an, Q together will take. If all three working together can, complete the work in 16 days, then find in how Many, days P and R together can complete the work?, , (a) = days (b) = days (c) = days, (d) —— days (e) aa days, 9 9, , 21. P alone and Q alone can doa piece of work in x ang 2, days respectively, if they both work alternatively, starting with Q then the work will be complete jn 30, days. Find in how many days Q alone can complete the, work ?, , (a) 32.5 days (b) 37.5 days (c) 38.5 days, (d) 42.5 days (e) 36.5 days, , 22. Anurag is 40% more efficient than Ayush. Ayush,, Anurag and Shivam working together can doa work in, 30 days and Shivam is 20% less efficient than Ayush., Find in how many days Ayush & Shivam working, together can do same work?, , (a)513days — -(b) 49 days (0) 47 + days, , (d) 45 ; days (e) 53 +days, , 23. Neha who is 50% more efficient than Ritu who take, double time than Priya to complete a work. Neha can, complete a work in ‘x’ days while Priya can complete, the same work in (x - 15) days. In how many days all, three can completes the same work together?, , (a) 36 days (b) 30 days (c) 22.5 days, (d) 20 days (e) 18 days, , 4. A, B and C can do a piece of work in 20 days, 10 days, and 15 days respectively. They all started the work, together but after 2 days B left the work and A left the, work 1.5 days before the completion of work. Find the, time in which work gets completed., , (a) 7.5 days (b) 6 : days (c) 8 days, (d) 6.5 days (e) 9 days, , >. Working efficiency of ‘A’ is twice than that of ‘B’. ‘A’ and, ‘B’ together can complete the work in 60 days while i, ‘B’ and ‘C’ together can complete the same work in, days. Find in how many days ‘B’ and ‘C’ together ©”, complete the work,, (a) 90 days (b) 45 days (c) 30 days, (d) 40 days (e) 75 days

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OT —— i ene ey RES OE, , 26. 7men and 6 women together can complete a piece of, work in 8 days and work done by a woman in one di, js half the work done by aman in one day. If 8 men a, 4 women started working and after 3 days 4 men isn, the work and 4 new women joined then, in how m " :, more days will the work be completed uy, (a) 7 days (b) 6 days (c) 5.25 days, (d) 6.25 days (c) 8.14 days, , 27. Deepak is 30% less efficient than Dharam, take 9 days less to complete the work alone than the, time taken by Deepak to complete the same work, alone. Find in how many days the same work will be, completed, if Deepak and Dharam both starts working, together?, (a) 135 days (b) 11 . days, , and Dharam, , (c) 14< days, 6, (d) 12 days (e) None of the above,, , 28. B is 40% less efficient than A and efficiency of C is ath, the efficiency of A and B together. If C joined A and B, every third day then all three together complete the, work in 27 Sdays. Find in how many days will B alone, complete the work?, , (a) 40days. (b) 60days (c) 50days, (d) 100days (e) 80days, , 29. If pipe A alone and Pipe B alone can fill atank in 20 min, and 30 min respectively and pipe C alone can empty it, in 10 min. If the tank is completely filled, then find the, time taken to empty the tank if all the three pipes are, opened simultaneously?, , (a) 45 min (b) 50 min (c) 60 min, (d) 40 min (e) 55 min, , 30. Pipe A, B and C can fill a cistern in 15 minutes, 24, minutes and 36 minutes respectively. If all the three, pipes A,B and C are opened alternatively for 1 minute, starting from Pipe A, then Pipe B and then Pipe C, then, find in how many minutess will the tank be filled by, them?, , ni 2~ min (c) 23~ min, (a) 21 54 min (b) 225 m1, , 1 4, (d) 20 min (e) 217 min, , 31. A pipe can fill a cistern in 15 min and another pipe can, fill the same cistern in 60 min. a third pipe can empty, it in 10 min. the first two pipes are kept open for 10, min in the beginning and then the third pipe is als, opened, what is the time taken to empty the cistern?, (a)45 min (b)60 min (c)50 min, (d)48 min (e)55 min, , 32. Two pipes A and B can fill a cistern in 12 hours and :, hours respectively. The pipes ar * on, simultaneously, and it is found that due to leakage ii