Page 1 : Doubt- 8299274802, , 142, , A can do a work in 36 days and B in 12 days. If they, work on it together, then in how many days will they, be able to do the work ?, , AWaTa sofa’ 4 ned ¢ BEA ana 12 fea”, a wa 2 | od sea wae fread @ a a fat, 8., , fer 4 suywad 8 asa 4?, , (a) 8 (b) 6 (c) 10 (ajo, , If A alone can do a job in 40 days then, in how, many days can B alone do the job if together they, can do the job in 8 days ?, , fc Ashe fat aaa 40 fara aa 2 BORG SoA, a fad fora ayam fog af at fame ae, , a maa e'? 9., , (a) 15 (b) 10 (c) 20 (d) 25, A and B together do job in 6.75 days and A could do, the job in 9 days if he worked alone. How many, days would B take to do the job if he worked alone ?, Aa Braman 46.75 fear a oy a ae A oe CRA, anofer' a yw Red @BeAte at ana? 7, Seay a A fer fea a?, , (a) 27 (b) 18 (c) 24 (d) 21, , A and B together do a job in 15 days and A alone, , could do the same job in 20 days. How many days, would B take to do half the job if he worked alone?, , AS Bwae ister’ a wane’ aabe aaa, , EW fen A YU RBH ST ATT TIT, , ae & foufart foro i?, (a) 60 (b) 30 (c) 45 (a) 40, A can do a work in 15 days and B in 30 days. If, , they work on it together, then in how many days, will they be able to do 50% of the work ?, , Aware isfear’ apa fear a aaa é@ | aed sh, 50% Hae lt: Wy B and C can finish a job working alone in 12, 8, , wae fama @ a4 fea fear a", aoa?, , (a) 5 (b) 6 (c) 4 (a) 3, P and Q can do a project in 25 and 50 days respectively. In how many days can they complete 18%, of the project if they work together ?, , Pa Omm: 2a ofa’ a wie a aR ze 1 fate) 5, , 10., , Telegram- Maths By Dp Singh, , , , Aad Bfranfaa waa 12 fer 4 am Aso OAA, w20fer a maw 2 BA a fH aa, 2 AeiBitenfer for A aay d RT?, , (a) 10 days (b) 20 days, , (c) 11 days (d) 15 days, , A painter can paint a fence in 24 hours. After 6, hours he takes a break. What fraction of the fence, is yet to be painted ?, , wire was, @ 4c Fina? 1 ot So Tq aefaa4Ae, 2. as, a fe eat tiiimi aa é ?, (b) 0.6 (6) 0.2, , (c) 0.75 (d) 0.8, , A labourer can do a job in 50 hours. After 5 hours, , he takes a break. What fraction of the job is yet to, be done ?, , WAR UHAA 50S A HED E Taefaraad z |, aaa fea ETT ee TT TT ae aa Se ?, , (a) 0.8 (b) 0.5, , (c) 0.75 (a) 0.9, , Acan do a piece of work in 8 days which B can, destroy in 3 days. A has worked for 6 days, during, the last 2 days of which B has been destroying., How many days must A now work alone to complete the work ?, , Aft aaaw sfer' 4° mand ¢ BR ada 3 fear”, a te mea 2A, 6fea mane 2@ Bafa, fear Rae Te REIS oT HAAG aA w fou, far fea mya etm?, , (a) 7 days (b) 75 days, , (c) 73 days (d) 8 days, and 24 days respectively. In how many days they, , can finish the job if they worked together?, , A Ba Ci a4 aw aha wm: 12,8a wafer A ya, mee) fed mae ana @ ow sand a fae fear”, a yuna ze?, (b) 6, , (c) 4 (a) 3, , fear 4° 4 fe om wo is%y a aa @ qd Wa e124 TAR B?and C can finish a job working alone in 72,, , (a) 6 days (b) 3 days, , (c) 9 days (d) 12 days, , A and B together can complete a piece of work in, 12 days. A alone can complete in 20 days. If B does, the work only half a day daily, then in how many, days A and B together will complete the work ?, , 24 and 36 days respectively. In how many days, , they can finish the job if they worked together ?, , ABA Caha HARI © UHHAA HW: 72,24a° 136, , fer a yume 21 aed wae aaa 2 a oo far fear, a yun ze?, (a)12 (b) 9, , (c) 15 (d) 18

Page 2 : 13., , 14., , A, B and C do a working alone in 12, 16 and 24, days respectively. In how many days they can do, the job if they worked together ?, , A,B CHM: 1216 @ 24 fear”, , a aha WAR a, , 2°) ara wae frmane@° a sana aw far, , Pata, , Ad Br aya 12far A a aE, , , , fer’ a ya man t ? (a) 5 days (b) 72 days, (a) 16/3 (b) 15/4, (c) 17/3 (a) 19/4 (c) 10 days (a) 152 days, , A, B and C together can complete a work in 20, days. A and B together can complete the same work, in 30 days. Then C alone can complete the same, , 20., , Aman and Raman together complete a piece of work, in 30 days, Raman and Manan can complete the, , ECT, EAICT a AT, aster 4° aa 2 °C #IAT a Haw 20 fea A, Ra € | FABRIC Hae AAR a 4 fe feat’, AABIAR F?, , same work in 36 days and Manan and Aman can, complete the same work in 45 days. All of the three, working together can complete the work in how, many days?, ae ei wa franwa 4 a 30fea A yw Ra eo, Rasa aa a sofe A yu Ret) a CRI, saag a aster A ga Ham? | da freRsaH4a w, far fear a y amet?, (a) 12 (b) 18 (c) 24 (d) 28, A and B can do a given piece of work in 8 days, B, and C can do the same work in 12 days and A, B, C, complete it in 6 days. Number of days required to, finish the work by A and C is :, Aw Bfreunuft aya sft am éba ca, ana 12fad Ream 2° AB, CsHefaa yu, we AM Cea saHaaw yu a 4 fad foro a?, (a) 24 days (b) 8 days, (c) 16 days (d) 12 days, Working efficiencies of P and Q for completing a, piece of work are in the ratio 3 : 4. The number of, days to be taken by them to complete the work will, be in the ratio :, wai a waa & fpr d Ha ad wT, 3:42 ,w mam winad & feu a & gra fea refer”, was a om?, (a) 3:2 (b) 2:3, () 3:4 (a) 4:3, Tapas works twice as fast as Mihir. If both of them, together complete a work in 12 days, Tapas alone, can complete it in :, waft gar aa yaaa eae @ | fear a” freee, fet ana i2fear’ a meat a weed aaa fat, way BARN?, (a) 15 days (b) 18 days, 5 (c) 20 di (d) 24 di:, yumm 20 lays (a) lays, = 4... would have taken 10 hours more than what A, ; aR WH a z, wees have taken to complete a task if each of, Fite orked alone. Working together they can, complete the task in 12 hours. How many hours, would B take to do 50% of the task ?, BH waa yu se bh ga A 10S afera, Md SRS aa wt aad aha- sha aaa S, , work in how many days ?, A, Bec frenfet wa aw 20fe A yu Ree, RIBsTa a4 w 30fe A yw eee Baas, a far fear’ a ya mae ?, (a) 10 (b) 30 (c) 45 (a) 60, , . Acan paint a house in 45 days and B can do it in 15, days. Along with C, they did the job in 5 days only,, Then, C alone can do the job in how many days?, Afsa cita as fara’ Wz wa Bea TfTa |, man @ (Ch wer framd sonna hacs fear a", mem 21 a shoeufen fear’ 4° adam?, (a) 12 (b) 9 (c) 15 (a8, , . Acan paint a house in 55 days and B can do it 66, days. Along with C, they did the job in 12 days only., Then, C along can do the job in how many days?, Afea uwass fear 4° a 2 man B aio6 fear a", Bu @ 1Ch ae framd enna l2faa yum, wi 2° | @aba sanna far fear’ ao ata 2 22., (a) 24 (b) 44 (c) 33 (d) 20, , . Aand B can do a piece of work in 72 days, B and C, can do it in 120 days, and A and C can do it in 90, days. When A, B and C work together, how much, work is finished by them in 3 days., Aad Bit ana 72 far’ Ba © 120 fear” A ARTI, a& coofear’ 4° aaa @ A, Bret Caan’ wae aa, a 2° @fear' a ana fem trtaetaer aU!, , 23., , a, , 1 1, , ap Ws ,, , @, , 1, (c) 39, . Vijay and Sahil together can complete a piece of, work in 40 days, Sahil and Ranjit can complete, the same work in 48 days and Ranjit and Vijay, can complete the same work in 60 days. In how, many days can all the three complete the same, work while working together ?, fame afeatre waa aw 40 fear’ a", afeaer1iaasa aa aw asfer a yume, eit fas a ae a cofe a ya mae 1 Gar, sang a fer far a ya mae?, (a) 16 (b) 24 (c) 32 (a) 38, . Aand B can do a piece of work in 12 days. B and C, in 15 days and C and A in 20 days. If A, B and C, work together, they will complete the work in :, , 143

Page 3 : a rey, , aa wee seHa a 12 oS ay up oA TCT em ig ee | aT facie, , Suna 50K & farfeR aS ata? fear A ae 1 ARs ete dart Faw eTT, , (a2)30 (by 15 id oe (@) 10 sak ae gs, Va cane taal fe we Re A, kh ; Baha sanue 15 faa mea zt ?, , 25. A can do a piece of work in 5 days less than the (a) 6 (b) 3 () 9 (a2, , ti taken by B to do it. If both of thi togeths, ime en Oy eo cor jon oF Hem together 30. Working together A and B can do a job in 40 days,, , take ri days, then the time taken by B’ alone to B and C in 36 days and all three together in 24, 9 . | days. In how many days can B alone do the job?, , do the sew work (in days) apt A®IB wae ft ana 40 feat A RABSTIC, , Aft HAA BA Jo Sawa Maes 1 Ae 36fer A Raa es) eel aa fae a, , ar ar a any fer q wa Beaa aaa fat a es Geer sees feet Fr era, , i. (a) 60 (b) 90 (c) 72 (a) 100, , fear a RT? 31. A and B working together can do a piece of work in, , (a) 15 days (b) 20 days 1, , () 25 days (d) 30 days 5 hours. B and C working together can do it in 3, 26. Two workers A and B are engaged to do a piece of hours. C and A working together can do it in, , work. A working alone would take 8 hours more to 1, , complete the work that when work 27 hours. All of them begin the work at the same, , 1 A . . F _, , together. If B worked alone, would take 4> hours time. Find how much time they will take to finish, 2 the piece of work., , more than when working together. The time re, quired to finish the work together is : Atl Bittenta ana 43 ao a Ree C, , a ame Bra aya ad & fevan wee Aa A a su 2 a aa 2 Cmtasa, , from aaa A YC A sha HAY Uwe afer = Rye * , ona, » hay hey “ st, , ai Be famawed Hy a abaad bate w 2p eH mea 2°) Gar’ wae waaay, eRe, . , 5° mama’ cain 3, , aera a) fear at’ fram ast a a fam aati m) i i ik, , (a) 3 hours (b) 2 hours, (a) 5 hours (b) 8 hours (c) 2.5 hours (d) 3.25 hours, (c) 4 hours (d) 6 hours 32. A) B and C together can finish a task in 7.5 days., 27. Three men A, B and C working together can doa C is thrice as productive as A and B alone can do, job in 6 hours less time than A alone, in 1 hour the task in 15 days. In how many days can A and, less time than B alone and in one half the time C do the job if B goes on leave?, , needed by C when working alone. Then A and B, , together can do the job in A, Bec waa wae face7.sfear a aca, , A, Beicframte wae AM go He oS ae ca STH aT A Foy ae aoe a saa Ta, Baga aS wae ROA GAA ava isfeaa’ Ram 2 | He, c_ cl aw aa Aa, 1 yu a AR Bitana afer fear’ a yaw cframmera na fat fora aa a ?, , ay, > > (a) 30 (b) 10 (c) 20 (d) 15, (a) 3 hour (b) 3 hour 33. Acan doa piece of work in 4 hours, B and C can do, 3 , it in 3 hours. A and C can do it in 2 hours. How, (c) Z hour (d) , hour long will B alone take to do it ? ;, , 28. If A, B and C together do.a job in 4 days, A and C Aware ge 2 4° KeRBa Cea Has, together do the job in 4.5 days and B and C to- a2 WAwNe Qt 2 4 RaMBAS oT TT AA, gether do the job in/12 days then in how many fart er af at’ m1?, days can C alone.do the job? (a) 10 hours (b) 12 hours, FA BA Cit aya 4 fad wi ARIC wae sa (c) 8 hours (d) 24 hours, mua 45 faa aa @ Beal € freaxs vA Ta 12 fea “34. A, Band C can together doa job in 9 days. C alone, amt Gaba sania fer ford nen é ? can do the job in 36 days. In how many days can A, (a) 36 (b) 6 (c) 18 (d) 12 and B do 50% of the job working together ?, , 29. A is thrice as productive as C. Together they can A, Bec fa ana Ofer’ a yu Rneova ce, complete a job in 22.5 days. If B joins them after aya 36fer’ 2 RAAB wae HAM EU, they have worked for 15 days then in how many 50% aufed fear’ a aa?, , days can they finish the rest of the job if B alone, , can do the job in 15 days ? (a) 6 (b) 12 () 9 (a) 15, , 144

Page 5 : 45., , 46., , 47., , 48., , 49., , 50., , 146, , (a) 15 days (b) 18 days, (c) 16 days (d) 20 days, A does 75% of a work in 50 days. he then calls in B, and they together finish the remaining work in, 10 days. How long B alone would take to complete, , the whole work ? 51, , AWAUA 75%, 50faa yuma fiBa gaa, , , , Pers, Mera fad wHaal/2t17y wT Ries 1 aa aT, Ea weft yusat | wa freme aaa fe a, UU ma e°?, (a) 12 days, (c) 8 days, , (b) 4 days, (d) 16 days, , . Piyush has donel/3rd of a job in 30 days, Sanjiv, , completes the rest of the job in 60 days. In how, , @ a wa wa’ franca dof y a ei @° 1 ¥ W Amany days can they together do the job ?, , aba ae Wa fe wae m ?, , (a) 200 days (b) 50 days, , (c) 100 days (d) 125 days, , A does 75% of a work in 45 days then he calls in B, and they together finish the remaining work in 5 days., How long B alone would take to do the whole work ?, , ~ 52., AWHAA 75%45 fea wa? | oR gaae weit, , agu sofa wanal/sti1yuantae aaa, wae a moO yu aas wow frames ned fer, a yu Hae ?, , (a) 15 days (b) 45 days, , (c) 30 days (d) 10 days, , Parimal has done 1/4th of a job in 10 days, Salim, completes the rest of the job in 20 days. In how, , aoa at’ framaa ¢ sear 2° ya a ¢ | YT HAF say days can they together do the job?, , sea Bat fat wae 7 ?, , (a) 15 days (b) 45 days, , (c) 60 days (d) 30 days, , A, Band C together can finish a task in 12 days. A, is twice as productive as B and C alone can do the, task in 36 days. In how many days can A and B do, the task if C goes on leave ?, , A Ba Cha anew wala Beramaae |, Aga Ad Tw ees yatwa eC ah asaAA, , a 36fear 4 mea @ Céxz zi ava WIA ATT, Brrengua na fat fers’ ae a?, , (a) 10 (b) 20 (c) 15, Amit can complete a work in 25 days and Punit, can complete the same work in 20 days. Punit, alone worked at it for 10 days and then left the, work .In how many days will Amit along complete, the remaining work?, , 53., , (a) 18 54., , fut 10faa wanaly4ciag@ aio @ | eT, wae a azfeaa yu Rae | aoa free aie fear", a yan z@ ?, , (a) 8 days (b) 24 days, , (c) 12 days (d) 16 days, , Acan do a work in 21 days and B in 42 days. If, , they work on it together for 7 days, then what, , fraction of work is left ?, , Afanw Qi fat aaa? abew2faa aad, , 2) Rafa anew 2) at wae fam fea cam?, (a) 1/3 (b) 1/4 (c) 2/3 (d) 1/2, , Acan do a work in 15 days and B in 9 days. If they, , work on it together for 5 days, then what fraction, of work is left ?, , Awaaisfear’ 4° ofa’ a aad 1 dea aa, sferael fama aR aT waa fe tT aa waaM ?, (a) 1/6 (b) 3/7 (c) 1/3 (a) 1/9, , strafed aa a25fear” A ya aw @ R11 Y A Aes *AMican finish a piece of work in 18 days and B can, , aw 20fta YU ReR @ | JOT aH OH Ta, , do the same work in half of the time taken by A., , @ RI SH ACHAT ot S Ra aa se | Yaa a afihesk working together what part of the same work, , far fear” Ao ya wm?, , dA, A (b) 12 — 13 4 (d) 14 A, @i15 125 We) 135 @145, A can do a piece of work in 20 days and B in 30, days. They work together for.7 days and then both, leave the work. Then C alone finishes the remaining work in 10 days. In how many days will C fin, ish the full work ?, , A®IBfa HAH Fry Q0 feat Wore” A aaa, , they can finish in a day ?, Awaya 18 fear’ a wt nase mana aI fer, qed Ay way BHR ee | Hae Aaah A, aan wf a far t1rT Hae AR FT?, , 2 2, (b) 5 Qs, , (a) z (3, , 56. A can do a work in 72 days and B in 90 days. If, , they work on it together for 10 days, then what, fraction of work is left ?, , wa 201 Wat wewaer wnat do) oa ca a a Age aT F wana? shoo fer a Ra, , faz? i vu ender a pus? .achwHad, , fear 4° arvaat om?, (a) 25 days (b) 30 days, (c) 24 days (d) 20 days, , Prabhat has done 1/2 of a job in 12 days. Santosh, completes the rest of the job in 6 days. In how many, days can they together do the job ?, , 2. fed0 fer & feuwae waa 2° ow aaa fer, ay waa?, (a) 3/4 (b) 1/4 (c) 4/5 (d) 5/6, , 57. A can complete a work in 20 days and B can, , complete the same work in 25 days. If both of them, work together, then in 3 days what percent of the, total work will be completed ?, , Cerra)