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The sum of a set of five consecutive even numbers is 140. What is the sum of the next set of five consecutive even numbers?(a) 190 (b) 180(c) 200 (d) 160(e) None of these |
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Answer» (a) According to the question, x + x + 2 + x + 4 + x + 6 + x + 8 = 140 or, 5x + 20 = 140 or, 5x = 120 x = 120/5 = 24 x + 8 = 24 + 8 = 32 The next set of five consecutive even number will start with = 34 Required sum = 34 + 36 + 38 + 40 + 42 = 190 |
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