Let the consecutive odd number be x, x + 2, x + 4 and x + 6 respectively.According to the question x + x + 2 + x + 4 + x + 6 = 104 = 4x + 12 = 104 = 4x = 104 - 12 = 92∴ x = 92/4 = 23∴ Required number = x + 4= 23 + 4 = 27
Let the numbers be x, x + 2, x + 4, x + 6, and x + 8Avg = x + x + 2 + x + 4 + x + 6 + x + 8/5 = 40Therefore, 5x + 20 = 200Therefore, x = 180/5 = 36Therefore, r = x + 4 = 40 s = x + 6 = 42Therefore, Product = 1680
Let the ten's digit be x and unit's digit by yThen, x + y = 15 and x - y = 3 or y - x = 3Solving x + y = 15 and x - y = 3, we get: x = 9, y = 6Solving x + y = 15 and y - x = 3, we get: x = 6, y = 9So, the number is either 96 or 69.Hence, the number cannot be determined.
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