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5)The sum of one-fifth of a number and one-sixth of its next consecutive even numberis 4. What is the number? |
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Answer» Let the first no. be x and second be x+2(as it's even)therefore, 1/5 x + 1/6 (x+2) = 4(6x + 5x + 10)/30 = 411x + 10 = 4 * 3011x = 120 - 10x = 110/11 = 10 the numbers are 10 and 12 |
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