18 2/3 + 19 2/3 + 20 2/3 = 59
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The numbers are 57, 59, 61 and 63.
The numbers are 57, 59, 61 and 63.
The sum of three consecutive odd numbers must be divisible by 3. As 59 is not wholly divisible by 3 the question is invalid. PROOF : Let the numbers be n - 2, n and n + 2. Then the sum is 3n which is divisible by 3. If the question refers to three consecutive numbers then a similar proof shows that the sum of these three numbers is also divisible by 3. Again, the question would be invalid.
59 and 61 consecutive numbers are basicly numbers that lie next to each other.Since 59 is right before 60 and 61 is right after 59,61 are consicutive to 60.
The sum of the first 60 positive integers (1 + 2 + 3 + .... + 59 + 60) is equal to 1830.