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Total weight of all boys = 15 X 48 = 720 kg So, total weight of all girls = 720 X 0.75 = 540 kg So, average weight of a girl = 540 ÷ 12 = 45 kg Required ratio = 48:45 = 16:15 Hence, option b.
The plant-origin insecticide, "Azadirachtin" is derived from which plant?
What is phosphorus content in DAP?
Which of the following crop is a source methane and nitrous oxide emission into the atmosphere?
Lichens, the pioneer organisms that initiate ecological succession are actually a symbiotic association of
The recently formed order with little profile development is termed as ………………………..
The law of minimum was given by which of the following scientist?
Which of the following enzyme is not involved in the process of genetic engineering?
When one single gene starts affecting multiple traits of living organisms, this phenomenon is known as…………………..
...Which of the following is not a method of group communication?
Salt content in brackish water farming is
