Question
A, B, and C, working alone, can complete a job in 16,
24, and 36 days, respectively. In how many days can they complete the job if they work together?Solution
Using the LCM method, The LCM of 16, 24 and 36 = 144(total work) A's efficiency = 144/16=9 B's efficiency = 144/24=6 C's efficiency = 144/36=4 Time = Total work / Total efficiency Time =144/ (9+6+4) Time =144/19 Time =7(11/19) days.
Which of the following is a bacterial disease in cattle?Â
An association between organisms of two different species in which one is inhibited or destroyed and the other is unaffected is calledÂ
Which part of small intestine receives the bile from Liver or Gall Bladder to break down fats?Â
Flooding is the method used for the reclamation practice in which of the problematic soil?
Which of the following scheme is not related to rural development?Â
What is the pf value of saturated soil and oven dry soil?
Which digital platform is promoted to provide farmers with a unified national market for agricultural commodities?
What is the seed rate of hybrid cotton with a spacing of 120 × 60 cm?
Which one of the following is an animal-origin insecticide?
A type of farming in which no single product source of income equals as much as 50% of the total receipts is ____
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