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Pipe & Cistern Based Paragraph DI: 2018 MAINS IBPS PO
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Concept of Pipe and Cistern and how to use Paragraph based DI

Mohit Kumar is teaching live on Unacademy Plus

Mohit Kumar
M.Tech from IIT | SBI PO Qualified | 4 years of Teaching experience | Assistant Professor in MIT MUZAFFARPUR (Bihar Govt.)

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Unacademy user
  1. IBPS PO MAINS 2018 PARAGRAPH BASED DATA INTERPRETATION PIPE &CISTERN


  2. Direction (1-4): Study the data given below and answer the following questions Data is provided for 3 months for a water tank whose capacity is 60ooo0 L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which all flats may or may not be completely occupied in the given three months. November Each flat is filled with a tap from which rate of flow of water is 250 L/h and only 50% flats are occupied in November. Water tank provides continuous water supply to these taps in whole month. December In this month 30 flats A % more or less than rate of flow from one tap in November. January Rate of flow of water from the taps is same as of November and gets emptied after supplying water to building for 100 hr. Number of flats occupied in January is B % are occupied and tank gets emptied after 4 Y6 days. Rate of flow from one tap in December is


  3. Q1. In November tank has to be filled how many times? (a)5 (b) 6 (c)8 (d)7 (e)'9 Data is provided for 3 months for a water tank whose capacity is 6,00,000 L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which all flats may or may not be completely occupied in the given three months. November - Each flat is filled with a tap from which rate of flow of water is 250 L/h and only 50% flats are occupied November. Water tank provides continuous water supply to these taps in whole month.


  4. Q1. In November tank has to be filled how many times? (a)5 (b) 6 (c)8 (d)7 (e)'9 Data is provided for 3 months for a water tank whose capacity is 6000oo L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which all flats may or may not be completely occupied in the given three months. November - Each flat is filled with a tap from which rate of flow of water is 250 L/h and only 50% flats are occupied November. Water tank provides continuous water supply to these taps in whole month Efficiency of tap 250 L/h


  5. Q1. In November tank has to be filled how many times? (a)5 (b) 6 (c)8 (d)7 (e)'9 Data is provided for 3 months for a water tank whose capacity is 6000oo L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which all flats may or may not be completely occupied in the given three months. November - Each flat is filled with a tap from which rate of flow of water is 250 L/h and only 50% flats are occupied November. Water tank provides continuous water supply to these taps in whole month Efficiency of tap 250 L/h November month has 30 days.


  6. Q1. In November tank has to be filled how many times? (a)5 (b) 6 (c)8 (d)7 (e)'9 Data is provided for 3 months for a water tank whose capacity is 6000oo L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which all flats may or may not be completely occupied in the given three months. November - Each flat is filled with a tap from which rate of flow of water is 250 L/h and only 50% flats are occupied November. Water tank provides continuous water supply to these taps in whole month Efficiency of tap 250 I November month has 30 days No. of flats in November 50% of 40-20 capacity of the tank is-6000oo L


  7. Q1. In November tank has to be filled how many times? (a)5 (b) 6 (c)8 (d)7 (e)'9 Data is provided for 3 months for a water tank whose capacity is 6000oo L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which all flats may or may not be completely occupied in the given three months. November - Each flat is filled with a tap from which rate of flow of water is 250 L/h and only 50% flats are occupied November. Water tank provides continuous water supply to these taps in whole month Efficiency of tap 250 I November month has 30 days No. of flats in November 50% of 40-20 capacity of the tank is-6000oo L Let, tank is refilled n times.


  8. Q1. In November tank has to be filled how many times? (a)5 (b) 6 (c)8 (d)7 (e)'9 Data is provided for 3 months for a water tank whose capacity is 6000oo L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which all flats may or may not be completely occupied in the given three months. November - Each flat is filled with a tap from which rate of flow of water is 250 L/h and only 50% flats are occupied November. Water tank provides continuous water supply to these taps in whole month Efficiency of tap 250 I November month has 30 days No. of flats in November 50% of 40-20 capacity of the tank is-6000oo L Let, tank is refilled n times. n x 600O00 250 X 24 X 30 X 20


  9. Q1. In November tank has to be filled how many times? (a)5 (b) 6 (c)8 (d)7 (e)'9 Data is provided for 3 months for a water tank whose capacity is 6000oo L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which all flats may or may not be completely occupied in the given three months. November - Each flat is filled with a tap from which rate of flow of water is 250 L/h and only 50% flats are occupied November. Water tank provides continuous water supply to these taps in whole month Efficiency of tap 250 I November month has 30 days No. of flats in November = 50% of 40-20 capacity of the tank is-6000oo L Let,tank is refilled n times. n x 600O00 250 X 24 X 30 X 20 600000 600 600


  10. Q2. What is the value ofA% ? (a) 30% (b) 25% (c) 33 1490 (d) 20% (e) 15% Data is provided for 3 months for a water tank whose capacity is 600000 L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which flats may or may not be completely occupied in the given three months. December In this month 30 flats are occupied and tank gets emptied after 4 Wo days. Rate of flow from one tap in December is A % more or less than rate of flow from one tap in November


  11. Q2. What is the value of A% ? (a) 30% (b) 25% (c) 33 4% (d) 20% (e) 15% Data is provided for 3 months for a water tank whose capacity is 6000oo L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which all flats may or may not be completely occupied in the given three months. December In this month 30 flats are occupied and tank gets emptied after 4 Yo davs. Rate of flow from one tap in December is A % more or less than rate of flow from one tap in November. Total time in which tank gets emptied 96+x 24 100 hours


  12. Q2. What is the value of A% ? (a) 30% (b) 25% (c) 33 4% (d) 20% (e) 15% Data is provided for 3 months for a water tank whose capacity is 6000oo L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which all flats may or may not be completely occupied in the given three months. December In this month 30 flats are occupied and tank gets emptied after 4 Yo davs. Rate of flow from one tap in December is A % more or less than rate of flow from one tap in November. Total time in which tank gets emptied 96+x 24 100 hours Total no. of flats in December 30


  13. Q2. What is the value of A% ? (a) 30% (b) 25% (c) 33 4% (d) 20% (e) 15% Data is provided for 3 months for a water tank whose capacity is 6000oo L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which all flats may or may not be completely occupied in the given three months. December In this month 30 flats are occupied and tank gets emptied after 4 davs. Rate of flow from one tap in December is A % more or less than rate of flow from one tap in November. Total time in which tank gets emptied 96+x 24 100 hours Total no. of flats in December 30 capacity of the tank is 600000 L So, Rate of flow 60000o/(30x100) 200 L/hour


  14. Q2. What is the value of A% ? (a) 30% (b) 25% (c) 33 4% (d) 20% (e) 15% Data is provided for 3 months for a water tank whose capacity is 6000oo L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which all flats may or may not be completely occupied in the given three months. December In this month 30 flats are occupied and tank gets emptied after 4 Yo davs. Rate of flow from one tap in December is A % more or less than rate of flow from one tap in November. Total time in which tank gets emptied = 96 +- 24 = 100 hours Total no. of flats in December= 30 capacity of the tank is 600000 L So, Rate of flow 6ooooo/(30x100) 200 L/hour Rate of flow in November 250 L/ hour 250-200 So, A%-250 x 100% A96-250 x 100% = (1/5) x100% => 20%


  15. Q3. What is the value of B%? (a) 80% (b) 40% (c) 75% (d) 60% Data is provided for 3 months for a water tank whose capacity is 6000oo L to provide continuous water supply to a building. (e) 70% Let n number of flats were occupied in January. Rate of flow of water in January November 250 L/ hour. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which all flats may or may not be completely occupied in the given three months. JanuaryRate of flow of water from the taps is same as of November and gets emptied after supplying water to building for 100 hr. Number of flats occupied in January is B %


  16. Q3. What is the value of B%? (a) 80% (b) 40% (c) 75% (d) 60% Data is provided for 3 months for a water tank whose capacity is 6000oo L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which all flats may or may not be completely occupied in the given three months. JanuaryRate of flow of water from the taps is same as of November and gets emptied after supplying water to building for 100 hr. Number of flats occupied in January is B % (e) 70% Let n number of flats were occupied in January. Rate of flow of water in January= November= 250 L/hour. capacity of the tank is -6000oo L


  17. Q3. What is the value of B%? (a) 80% (b) 40% (c) 75% (d) 60% Data is provided for 3 months for a water tank whose capacity is 6000oo L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which all flats may or may not be completely occupied in the given three months. JanuaryRate of flow of water from the taps is same as of November and gets emptied after supplying water to building for 100 hr. Number of flats occupied in January is B % (e) 70% Let n number of flats were occupied in January. Rate of flow of water in January= November= 250 L/hour. capacity of the tank is -6000oo L n x 250 x 1006000oo


  18. Q3. What is the value of B%? (a) 80% (b) 40% (c) 75% (d) 60% Data is provided for 3 months for a water tank whose capacity is 6000oo L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which all flats may or may not be completely occupied in the given three months. JanuaryRate of flow of water from the taps is same as of November and gets emptied after supplying water to building for 100 hr. Number of flats occupied in January is B % (e) 70% Let n number of flats were occupied in January. Rate of flow of water in January= November= 250 L/hour. capacity of the tank is -6000oo L n 250 100 600000 -n- 600000/( 250 x 100) 600/25 24


  19. Q3. What is the value of B%? (a) 80% (b) 40% (c) 75% (d) 60% Data is provided for 3 months for a water tank whose capacity is 6000oo L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which all flats may or may not be completely occupied in the given three months. JanuaryRate of flow of water from the taps is same as of November and gets emptied after supplying water to building for 100 hr. Number of flats occupied in January is B % (e) 70% Let n number of flats were occupied in January. Rate of flow of water in January= November= 250 L/hour. capacity of the tank is -6000oo L -n- 600000/( 250 x 100) 600/25 So, No. of flats in January- 24 In the building there are 40 flats 24


  20. Q3. What is the value of B%? (a) 80% (b) 40% (c) 75% (d) 60% Data is provided for 3 months for a water tank whose capacity is 6000oo L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supply. In the building there are 40 flats in which all flats may or may not be completely occupied in the given three months. JanuaryRate of flow of water from the taps is same as of November and gets emptied after supplying water to building for 100 hr. Number of flats occupied in January is B % (e) 70% Let n number of flats were occupied in January. Rate of flow of water in January= November= 250 L/hour. capacity of the tank is -6000oo L -n- 600000/( 250 x 100) 600/25 So, No. of flats in January- 24 In the building there are 40 flats 24 B96-(24/40)s 100%-60%


  21. Q4. In October efficiency of each tap decrease by 20% due to leakage as compared to efficiency of November and capacity of tank is reduced to 80%. In how many hours tank will be emptied in October if total occupied flats in October is equal to no. of occupied flats in December? (a) 65 hours (b) 7o hours (c) 30 hours (d) 60 hours (e) 80 hours Data is provided for 3 months for a water tank whose capacity is 600000 L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supplv. In the building there are 40 flats in which all flats may or may not be completely occupied in the givern three months, Rate of flow of water in November 250 L/ hour


  22. Q4. In October efficiency of each tap decrease by 20% due to leakage as compared to efficiency of November and capacity of tank is reduced to 80%. In how many hours tank will be emptied in October if total occupied flats in October is equal to no. of occupied flats in December? (a) 65 hours (b) 7o hours (c) 30 hours (d) 60 hours (e) 80 hours Data is provided for 3 months for a water tank whose capacity is 600000 L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supplv. In the building there are 40 flats in which all flats may or may not be completely occupied in the givern three months, Rate of flow of water in November 250 L/ hour Rate of flow of water in October 250-20% of 250


  23. Q4. In October efficiency of each tap decrease by 20% due to leakage as compared to efficiency of November and capacity of tank is reduced to 80%. In how many hours tank will be emptied in October if total occupied flats in October is equal to no. of occupied flats in December? (a) 65 hours (b) 7o hours (c) 30 hours (d) 60 hours (e) 80 hours Data is provided for 3 months for a water tank whose capacity is 600000 L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supplv. In the building there are 40 flats in which all flats may or may not be completely occupied in the givern three months, Rate of flow of water in November 250 L/ hour Rate of flow of water in October 250-20% of 250 -250- (1/5) 250 =250-50 = 200 L/hour.


  24. Q4. In October efficiency of each tap decrease by 20% due to leakage as compared to efficiency of November and capacity of tank is reduced to 80%. In how many hours tank will be emptied in October if total occupied flats in October is equal to no. of occupied flats in December? (a) 65 hours (b) 7o hours (c) 30 hours (d) 60 hours (e) 80 hours Data is provided for 3 months for a water tank whose capacity is 600000 L to provide continuous water supply to a building. Water tank is first completely filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supplv. In the building there are 40 flats in which all flats may or may not be completely occupied in the givern three months, Rate of flow of water in November 250 L/ hour Rate of flow of water in October 250-20% of 250 -250- (1/5) 250 -250-50-200 L/hour. And capacity of tank in October is = 80% 6000001


  25. Q4. In October efficiency of each tap decrease by 20% due to leakage as compared to efficiency of November and capacity of tank is reduced to 80%. In how many hours tank will be emptied in October if total occupied flats in October is equal to no. of occupied flats in December? (a) 65 hours (b) 7o hours (c) 30 hours (d) 60 hours (e) 80 hours Rate of flow of water in November = 250 L/ hour Rate of flow of water in October 250-20% of 250 Data is provided for 3 months for a water tank whose capacity is 600000 L to provide continuous water supply to a -250- (1/5) 250 250 50 200 L/ hour. building. Water tank is first completely And capacity of tank in October is 80% 600000 L filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supplv. In the building there are 40 flats in which all flats may or may not be completely occupied in the givern three months, - (4/5) x60000o 4 X 120000 = 480000L Occupied flats in October December-30 Required time 48oo0o/(20ox30)


  26. Q4. In October efficiency of each tap decrease by 20% due to leakage as compared to efficiency of November and capacity of tank is reduced to 80%. In how many hours tank will be emptied in October if total occupied flats in October is equal to no. of occupied flats in December? (a) 65 hours (b) 7o hours (c) 30 hours (d) 60 hours (e) 80 hours Rate of flow of water in November 250 L/ hour Rate of flow of water in October 250-20% of 250 Data is provided for 3 months for a water tank whose capacity is 600000 L to provide continuous water supply to a 250 (1/5) x250 250 50 200 L/ hour. building. Water tank is first completely And capacity of tank in October is 80% 600000 L filled and then it gets completely emptied to supply water in a building. It supply water continuously to the building and is refilled again and again to provide continuous supplv. In the building there are 40 flats in which all flats may or may not be completely occupied in the givern three months, - (4/5) x60000o 4 X 120000 = 480000L Occupied flats in October December-30 Required time 48oo0o/(20ox30) - 480/ 6 80 hours