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Directions: The following question is accompanied by two statements (I) and (II). You have to determine which statements(s) is/are sufficient/necessary to answer the questions.Find the height of cylinder.I) A rectangular piece of paper of breadth 22 cm is rolled along breadth to form a cylinder. If the curved surface area of a cylinder is 264 cm2. II) The volume of cylinder is 462 cm3.1. The statement I alone is sufficient to answer the question, but the statement II alone is not sufficient. 2. The statement II alone is sufficient to answer the question, but the statement I alone is not sufficient. 3. Both the statements I and II together are needed to answer the question.4. Either statement I alone or statement II alone is sufficient to answer the question. 5. Neither statement I nor statement II is sufficient to answer the question. |
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Answer» Correct Answer - Option 1 : The statement I alone is sufficient to answer the question, but the statement II alone is not sufficient. Formula used: The curved surface area of a cylinder = 2πrh Volume of cylinder = πr2h Statement (I): The curved surface area of a cylinder = 264 cm2. A rectangular piece of paper of breadth 22 cm is rolled along breadth to form a cylinder. The rectangular side which is rolled to form a cylinder will become its Height. So, Height of Cylinder = 22 cm ∴ The statement I alone is sufficient to answer the question Statement (II): Volume of cylinder = πr2h The volume of cylinder = 462 cm3. ⇒ πr2h = 462 cm3 ∴ Statement II alone is not sufficient. ∴ The statement I alone is sufficient to answer the question, but the statement II alone is not sufficient. |
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