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Pipe & Cisterns, , Maths by Vipin Kumar, , Bromma, [Join : Maths Spl Batch], , , , Two pipes can fill a cistern separately in 10 hours, and 15 hours. They can together fill the cistern in, St UTSU Uh Scht HT BeM-aAeTT 10 Ge Bi 15 He, UT Aha Sl a UH Are echt Hl wT TAS, (A) 6 hours (B) 7 hours, (C) 8 hours (D) 9 hours, , Two pipes A and B can fill a tank in 20 minutes, and 30 minutes respectively. If both pipes are, opened together, the time taken to fill the tank is, , Suga A ait B Um tem cal HUTT: 20 fate aie 30, fare Tae cena 8 afe Sat urgat at UH OTT tT, fear are, at ceht cat wet Ft fee aaa oT?, , (A) 50 minutes (B) 12 minutes, , (C) 25 minutes (D) 15 minutes, , A tap can empty a tank in one hour. A second tap, can empty it in 30 minutes. If both the taps, operate simultaneously, how much time is needed, to empty the tank?, , wen vet farett deft at van se Harel He Gea Fl, Wee eT Tet ge 30 fire F ere EAHA aI ate, St At Uh Tet HI AA &, al Soh AT Gehl HET, fear are rT?, (A) 20 minutes, , (C) 40 minutes, , (B) 30 minutes, (D) 45 minutes, , A cistern can be filled with water by a pipe in 5, hours and itcan be emptied by a second pipe in 4, hours, Ifyboth the\pipes are opened when the, cistern isifull, the time in which it will be emptied, is:, , Up chi aal Uh UT ERT 5S He HOTT A TT eT, Bote aT gre sa 4 ae A are fea aT RAT, Bl ate cet ae ATT OR ata Iga at ater Feet TAT, %, asa Garett wea Bt fet wae oT:, , (A) 9 hours (B) 18 hours, , (C) 20 hours (D) 204 hours, , Two pipes can fill a cistern in 3 hours and 4 hours, respectively and a waste pipe can empty it in 2, hours. If all the three pipes are kept open, then, the cistern will be filled in :, , atorsu un cht at HAT: 3 ae ai 4 eT ET, $ oi Us THR Usa sa 2 He ret aX HAT., afe dtat orgat at aon war Stra &, at cab at erat, STOTT:, , (A) 5 hours (B))8 hours, , (C) 10 hours (D) 12 hours, , ‘Ewo pipes can/ill a tank in 15 hours and 20 hours, respectively, while the third can empty it in 30, hours, If all the pipes are opened simultaneously,, the empty tank will be filled in, , at usu Um tH Hl HAM: 15 US sik 20 He Hay, Gene &, wafer creat ga 30 ce A arch at HAT eI, afe at urgut at wm ater waiter fear sat @, at, aredt deft wet Ft ore fear are, , (A) 10 hours (B) 12 hours, , (©) 15 hours () 13} hours, , 12 pumps working 6 hours a day can empty a, completely filled reservoir in 15 days. How many, such pumps working 9 hours a day will empty the, same reservoir in 12 days?, , fea Ht 6 de wore et aTeT 12 Go 15 feat Fat wee, Be ge Tera Hl Gel we Tene el WS feat to, wfafer 9 de care cree set Serera at 12 feat F, aici wt ait?, , (A) 15 (B)9, , (©) 10 (D) 12, , Three taps A, B and C together can fill an empty, cistern in 10 minutes. The tap A alone can fill it, in 30 minutes and the tap B alone in 40 minutes., How long will the tap C alone take to fill it?, , Contact & Whatsapp : +918219416714