Question
Pipe ‘A’ can fill a tank in 30 hours while pipe
‘B’ can empty it in 40 hours. They were operated on alternate hours starting with pipe ‘A’. Find the percentage of tank filled this way in 54 hours.Solution
Let the total capacity of tank be 120 units Efficiency of pipe ‘A’ = 120/30 = 4 units/hour Efficiency of pipe ‘B’ = 120/40 = 3 units/hour Tank filled in 2 hours = (4 – 3) = 1 units Therefore, tank filled in (2 × 27 = 54 hours) = 1 × 27 = 27 units Required percentage of tank filled = (27/120) × 100 = 22.5%
Match List-I with List-II and select the correct answer using the codes given below the lists.
Which of the following is major greenhouse gas associated with livestock agriculture
Green ear disease is associated to which of the following crops?
Which of the following scheme is not related to rural development?
An association between organisms of two different species in which one is inhibited or destroyed and the other is unaffected is called
Which structure is commonly used in agriculture to store grains and protect them from pests and moisture?
Indian Head Patents Office is located in
“Puffiness” is a physiological disorder of which crop?
According to Planning commission, Indian region is divided into how many agro climatic zones?
According to Lindeman’s law how much energy is lost while transfer from one to next trophic level ?
Relevant for Exams:
