Pipe and Cistern problem in bengali| Shortcut math tricks in Bengali @Superior Mathematics

Pipe & Cistern trick | নল ও চৌবাচ্চা | Short curt math tricks @Superior Mathematics


About this video:
In this video I have discussed about the basic concept of pipe and cistern problem short tricks in Bengali. Pipe and cistern is important topic for wbptet, SSC, wbcs and all other exams. This chapter is similar to Time and Work.
So, watch this video till end.

Time duration:
0:00 Introduction
01:02 Q1. A water tap fills a tub in ‘p’ hours and a sink at the bottom empties it in ‘q’ hours. If p is
less than q and both tap and sink are open, the tank is filled in ‘r’ hours; then i) 1/r
=1/p+1/q ii) 1/r=1/p-1/q iii) r=p+q iv) r=p-q SSC CGL Tire II 2016

2:43 Q2. Two pipes can independently fill a bucket in 20 min and 25 min. Both are opened
together for 5 min after which the second pipe is turned off. What is the time taken by the
first pipe alone to fill the remaining portion of the bucket?
SSC CAPFs (CPO) SI & ASI 2016

4:16 Q3. One pipe can fill a tank three times as fast as another pipe. If together the to pipes can fill
the tank in 36 min, the slower pipe alone will be able to fill the tank in i) 81 min ii) 108 min iii)
144 min iv) 192 min SSC CPO SI 2003, SSC CGL Tire I 2010

5:43 Q4. A boy and a girl together fill a cistern with water. The boy pours 4 litres of water every 3
minutes and the girl pours 3 litres every 4 inutes. How much time will it take to fill 100
litres of water in the cistern? i) 36 min ii) 42 min iii) 48 min iv) 44 min
SSC CGL Prel Exam 2008
7:03 Q5. A tap drips at a rate of 1 drop per second. 600 drops make 100 ml. The number of litres
wasted in 300 days is i) 4320000 ii) 432000 iii) 43200 iv) 4320
SSC CGL Tire I 2014
8:16 Q6. A swimming pool has 3 drain pipes. The first two pipes A and B, operating simultaneously,
can empty the pool in half the time that C, the third pipe, alone takes to empty it. Pipe A,
working alone, takes half the time taken by pipe B. Together they take 6hrs 40 min to empty
the pool. Time taken by pipe A to empty the pool, (in hours) is i) 15 ii) 10 iii) 30 iv) 7
SSC Graduate Level Tire II 2012
10:52 Q7. A pipe can empty a tank in 40 minutes. A second pipe with diameter twice as much as
that of the first is also attached with the tank to empty it. The two together can empty the
tank in: i) 8 min ii) 40/3 min iii) 30 iv) 38
SSC CPO SI 2005
12:01 Q8. A tap takes 36 hrs 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? i) 36 ii) 24 iii) 30 iv) 18
SSC CGL Prel. 2007



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