## Priyanka Aggarwal is teaching live on Unacademy Plus

chapterwise mathematics chapter-3 pipe and cistern presented by Priyanka aggarwal gb66

verified star educator YOUTUBER #4 year teaching experience ( SSC, banking, railways) author competitive English by Priyanka aggarwal) http://unacademy.com/user/Priyankaaggarwal1988-6163

chapterwise mathematics chapter-3 %(pipe and cistern part-4

A tap take 36 hours extra to fill a tank due to a leakage equivalent to half of its inflow. the inflow can fill the tank in how many hours? A) 36 hours B) 24 hours C) 30 hours D) 18 hours

iet +36

Three pipes p, q and r can separately fill a cistern in 4,8 and 12 hours respectively. another pipe S can empty the completely filled system in 10 hours. which of the following arrangements will fill th empty cistern in less time than others? tZT TIGAT 46TT @ it A) q alone is opern B) p r and s are open C) p and s are open D) p q and s are open

Ans y Ca) 3 2 8

Ho Tick

a tank has a leak which would empty the completely filled tank in 10 hours if the tank is full of water and a tap is opened which admits 4 litres of water per minute in the tank the leak takes 15 hours to empty the tank how many litres of water does the tank holds? A) 24001 B) 4500 C) 1200 D) 72001 wit 12 4522 2417 ABCD

= 2.40 - iS Ex -240 3e