Mathematics · Data Sufficiency
Each question below consists of a question and two statements numbered I and II. You have to decide whether the data provided in the statements are sufficient to answer the question. Question: What is the average weight of 30 students in a class? Statements: I. If the weight of the teacher is included, the average weight becomes 20 kg. II. If the weight of the teacher is not included, the total weight of the students is 720 kg.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Statement I alone is sufficient to answer the question, while statement II alone is not sufficient.
- 2Statement II alone is sufficient to answer the question, while statement I alone is not sufficient.✓
- 3Either statement I alone or statement II alone is sufficient to answer the question.
- 4Both statements I and II together are not sufficient to answer the question.
Correct answer
Statement II alone is sufficient to answer the question, while statement I alone is not sufficient.
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