yurywo pipes can fill a tank in 10 hrs and 12 hrs,tivelyi Wbile a thir – InterviewSolution

1.	yurywo pipes can fill a tank in 10 hrs and 12 hrs,tivelyi Wbile a third pipe empties the fullIf all the three Pipes operategethertin how much time the tank will beoeAO hrs.fil)B. 7.5 HrsC/8 HrsD. 8.3.Hrs3e
Answer» 101220/1220+1020-10*12=2400/240+200-120= 15/2=7hrs 30mins

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