Question
A large reservoir can be filled by two pipes, A and B,
in 20 minutes and 30 minutes respectively. If both pipes are opened simultaneously, after how much time should pipe A be closed so that the remaining part of the reservoir is filled in 6 minutes by pipe B alone?Solution
ATQ, Both pipes are opened simultaneously. Let after 'y' minutes, pipe A be closed. Then, the equation for the fill rate when both pipes are open and when pipe B finishes the job alone is: 
Pipe A should be closed after 9.6 minutes.
Panchyati Raj day is celebrated every year on
…………………….. involves in the accreditation of Certification Bodies, standards for organic production, promotion of organic farming and mar...
DNA coiled twice around the histone forms
Cleaning equipment which is suitable for cleaning ball-shape or oval-shape fruits and vegetables by simultaneously spraying and brushing?
Which of the following activities are encompassed under the term “harvesting” in agricultural practices?
In Ca and S deficient soils, gypsum placement should be done at
Parbhani Kranti is a variety of:
Which soil property is typically measured using a pressure plate apparatus in order to determine the soil’s moisture retention at permanent wilting po...
In seed germination the first phenomenon takes place is __________.
Semigamy is found in:
Relevant for Exams:
