Question
'R' takes 20 days to complete a task, and 'A' takes 30
days to do the same task. To finish the job in just 6 days, what percentage increase in their respective efficiencies is required by 'R' and 'A'?Solution
We can say that Let the total work = 60 units (L.C.M of 20 & 30) Efficiency of 'R' = 60/20 = 3 units /day Efficiency of 'A' = 60/30 = 2 units/day Their combined efficiency = 2 + 3 = 5 units/day To complete the work in 6 days, there combined efficiency should be 60/6 = 10 units/day Required percentage increase = {(10 – 5) × 100}/5 = 100%
Calculate the volume of pendimethalin (30% EC) for 8000 m²  wheat field, if application rate is 1 kg a.i./ha.
An example for a plant hormone isÂ
First interspecific cross was made by which of the following Scientist?
The term pegging is concerned to which crop?
Wind direction is measured as –
In which year was the system of 'minimum support prices' (MSP) initiated in India to ensure farmers receive remunerative prices and promote the use of H...
Linkage drag is the phenomenon in which-
Which of the following is ephemeral weed?
Value of correlation coefficient lies between
Bacterial artificial chromosome may be used for the construction of:
Relevant for Exams:
