Question
Read the following question and decide which of the
statements is/are sufficient to answer the question. Find the value of 'n'. Statements: 1) n² - 20n + 100 = 0 2) n² + x² + y² + 2 = 2n + 5Solution
From I. n² - 20n + 100 = 0 (n – 10)² = 0 n = 10, 10 So, statement I is sufficient. From II. As, it includes more variable than equation. So, statement II is not sufficient.
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