Two inlet pipes M and N alone can fill a tank in 10 hours and 12 hours respectively and an outlet pipe P alone can empty the whole tank in 8 hours. First pipe M is opened for 5 hours, then pipe P is opened for 2 hours and rest of the tank is filled by pipe N. In what time will the tank be filled completely?
Total capacity = 120 units (LCM of 10, 12 and 8) Efficiency of pipe M = 120/10 = 12 units/hr Efficiency of pipe N = 120/12 = 10 units/hr Efficiency of pipe P = 120/-8 = -15 units/hr Capacity of tank filled by pipe M in 5 hours = 12 × 5 = 60 units Capacity of tank emptied by pipe P in 2 hours = -15 × 2 = -30 units Capacity of tank left for pipe N = 120 – 60 – (-30) = 90 units Time taken by pipe N to fill the remaining tank = 90/10 = 9 hrs Total time taken = 5 + 2 + 9 = 16 hrs
National Dairy Research Institute is one of the premier institutes in the dairy sector, which has contributed a lot in the growth of the dairy industry ...
Which of the following Statements about OECD is/are True?
I- Most OECD members are high-income economies with a very high Human Development Index...
In the Union Budget 2023-24, the Government has declared that it would set up Bharat SHRI. What does the “I” stand for in Bharat SHRI?
Which of the following Statements about the SDGs is/are True?
I- The Sustainable Development Goals are a set of seventeen pointer targets that...
What was BASEL Committee on Banking Supervision established?
In which of the following ways, Infrastructure contributes to economic development?
(1) by increasing the productivity of the factors of produ...
Opium is legal In which of the following state along with Madhya Pradesh and Uttar Pradesh?
Which of the following is/are True?
I- The Asian Infrastructure Investment Bank (AIIB) is a multilateral development bank with a mission to im...
Which of the following Statements about DAY-NRLM is not True?
'Students’ and Teachers’ Holistic Advancement through Quality Education (SARTHAQ) scheme is related to ?