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What will be the average weight of the remaining class ? I. Average weight of 30 children out of total 46 in the class is 22.5 kg and that of the remaining children is 29.125 kg. A child having weight more than 40 kg is excluded. II. Average weight of a class of 46 children is 23.5 kg. A child weighing 46 kg is dropped out. |
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Answer: Option B Explanation: I. Total weight of 46 children : = [(22.5 x 30) + (29.125 x 16)] kg = 1141 kg. weight excluded is not exact. So, average of remaining class cannot be obtained. II. Total weight of 45 children = [(923.5 x 46) - 46] kg = 1035 kg.
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Each of the questions given below consists of a statement and / or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is / are sufficient to answer the given question. Read the both statements and
Give answer (A) if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
Give answer (B) if the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
Give answer (C) if the data either in Statement I or in Statement II alone are sufficient to answer the question.
Give answer (D) if the data even in both Statements I and II together are not sufficient to answer the question.
Give answer(E) if the data in both Statements I and II together are necessary to answer the question.
Average weight of 45 children = 1035/45 kg = 23 kg.Post your comments here:
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