Home
Class 14
MATHS
Pipes A and B can fill a tank in 12 minu...

Pipes A and B can fill a tank in 12 minutes and 15 minutes, respectively. The tank when full can be emptied by pipe C in x minutes. When all the three pipes are opened simultaneously, the tank is full in 10 minutes. The value of x is:
पाइप A और B क्रमश 12 मिनट और 15 मिनट में एक टैंक भर सकते हैं। जब टेंक भरी हो तो पाइप C द्वारा x मिनट में खाली किया जा सकता है। जब तीनों पाइप एक साथ खोले जाते हैं, तो टैंक 10 मिनट में भर जाता है। x का मान है

A

18

B

15

C

20

D

24

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • 2019 TIER-II PAPER (1)

    CHAMPION PUBLICATION|Exercise EXERCISE|99 Videos
  • 2019 TIER-II PAPER(3)

    CHAMPION PUBLICATION|Exercise EXERCISE|100 Videos

Similar Questions

Explore conceptually related problems

Two pipes A and B can fill a tank in 12 and 15 minutes respectively. A third pipe C can empty it in 10 minutes. How long will it take to fill in the tank if all pipes are opened simultaneously ?

Pipe A and B fill a tank in 43.2 minutes and 108 minutes, respectively, Pipe C can empty it at 3 litres minutes. When all the three pipes are opened together, they will fill the tank in 54 minutes. The capacity (in litres) of the tank is: पाइप A और B क्रमशः 43.2 मिनट और 108 मिनट में एक टैंक भरते हैं, पाइप C इसे 3 लीटर मिनट पर खाली कर सकता है। जब तीनों पाइप एक साथ खोले जाएंगे, तो वे 54 मिनट में टेंक को भर देंगे। टेंक की क्षमता (लीटर में) है:

Two pipes A and B can fill a tank in 100 minutes and 120 minutes respectively. Pipe C can alone empty the same tank in 200 minutes. If all three pipes are opened together, then in how many minutes will the tank be filled?

Pipe A and B can fill a water tank in 30 and 45 minutes respectively while pipe C can take out all the water is 60 minutes. If the three pipes are opened simultaneously . How long it fill the empty tank

Two pipes P and Q can fill an empty tank in 20 minutes and 10 minutes respectively. R can empty a full tank in 15 minutes. If all three pipes are opened together, how much time (in minutes) will they take to fill the tank? दो पाइप P और Q क्रमशः: 20 मिनट और 10 मिनट में एक खाली टैंक भर सकते हैं। R, 15 मिनट में एक पूरा टैंक खाली कर सकता है। यदि सभी तीन पाइप एक साथ खोले जाते हैं, तो टैंक को भरने में कितना समय लगेगा?

Two pipes A and B can fill a tank in 12 minutes and 15 minutes, respectively. When an outlet pipe C is also opened, then the three pipes together can fill the tank in 10 minutes. In how many minutes can C alone empty the full tank?

Pipes A can fill a tank in 30 minutes while pipe B can fill it in 45 minutes. An other pipe C can empty a full tank in 60 minutes. If all three pipes are opened simultaneously, The empty tank will be filled in

Two pipes A and B can fill a tank in 18 minutes and 24 minutes respectively. If both the pipes are opened simultaneously, then after how much time should pipe B be closed so that the tank is full in 12 minutes?

CHAMPION PUBLICATION-2019 TIER-II PAPER (2)-EXERCISE
  1. The compound interest on a sum of ₹20,000 at 15% p.a for 2 2/3 years, ...

    Text Solution

    |

  2. Study the given graph and answer the question that follows. Production...

    Text Solution

    |

  3. Pipes A and B can fill a tank in 12 minutes and 15 minutes, respective...

    Text Solution

    |

  4. A shopkeeper bought 20 kg of rice at Rs. 55 per kg, 25 kg of rice at R...

    Text Solution

    |

  5. Study the given graph and answer the question that follows: The numbe...

    Text Solution

    |

  6. When 5 children from class A join Class B, the number of children in b...

    Text Solution

    |

  7. If x-1/x = 5, x ne 0, then what is the value of frac(x^6 + 3x^3 - 1)(x...

    Text Solution

    |

  8. In a circle with centre O, AB is the diameter, P and Q are two points ...

    Text Solution

    |

  9. A loan is to be returned in two equal instalments, If the rate of inte...

    Text Solution

    |

  10. In triangle PQR, PS is the internal bisector of angle P meeting QR at ...

    Text Solution

    |

  11. A hemispherical tank full of water is emptied by a pipe at the rate of...

    Text Solution

    |

  12. The number of students in classes A and B are 60 and 70, respectively....

    Text Solution

    |

  13. Alloy A contains metal x and y only in the ratio 5 : 2 and alloy B con...

    Text Solution

    |

  14. A sum of ₹ 10,500 amounts to ₹ 13,650 in 2 years at a certain rate pe...

    Text Solution

    |

  15. Let x be the least number which when subtracted from 10424 gives a per...

    Text Solution

    |

  16. The value of (27xx(0.25)^3+125(0.05)^3) /((0.75)^2-0.25xx0.5) is : ...

    Text Solution

    |

  17. The value of frac (7+3sqrt 5)(3 + sqrt 5)+frac(7 - 3sqrt 5)(3 - sqrt 5...

    Text Solution

    |

  18. The graph of the linear equation 3x - 2y = 8 and 4x + 3y = 5 intersect...

    Text Solution

    |

  19. From the top of a hill 240m high the angle of depression of the top an...

    Text Solution

    |

  20. Study the pie-chart and answer the questions: Break up (degree wise) o...

    Text Solution

    |