# Find the sum of a

The integers between 100 and 600 divisible by 5 and leaves remainder 2 are 102, 107, 112, 117,…, 597.

To Find: Sum of the above AP

Here a = 102, d = 5, l = 597

a + (n - 1)d = 597

102 + 5(n - 1) = 597

(n - 1) = 99

n = 100

Now,  S = 50[204 + 495] = 50 × 699 = 34950

The sum of all such integers is 34950.

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