Question
Average of three consecutive numbers is 91. Find the sum
of smallest and largest number.Solution
Let the numbers be (a - 1), a and (a + 1).
So, (a - 1 + a + a + 1) ÷ 3 = 91
Or, (3a/3) = 91
Or, 'a' = 91
Required sum = a - 1 + a + 1 = 2a = 2 × 91 = 182
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