Question
The average mark obtained by 140 candidates in a certain
examination is 50. If the average marks of passed candidates are 55 and that of the failed candidates is 20, then what is the number of candidates who passed in the examination?Solution
According to question, => 55 × x + 20 × (140 − x) = 140 × 50 => 55x + 2800 – 20x = 7000 => x = 120
The daily dietary nutrient intake level that is sufficient to meet the nutrient requirements of nearly all healthy individuals is called:
Under Kingdom Plantae, which division comprises of organisms which have chlorophyll-bearing, simple, thalloid, undifferentiated body?
Which of the following statements is INCORRECT with respect to microbial enzymes:
Equity value of the firm is known/ derived from
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Thickness of UV stabilized polyethylene used as a cladding material in greenhouse is
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Which of the following is/are main characteristic features of an Insect?
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