The sum of three consecutive numbers is 156. Find the number which is a multiple of 13 out of these numbers.
Let the 3 consecutive numbers be x,x + 1,x + 2
According to the given question
x + x + 1 + x + 2 = 156
3x + 3 = 156
3x = 156-3
3x = 153
x = 51
(divide by 3 on both the sides)
So the numbers are x,x + 1 + 2
51,51 + 1,51 + 2
51,52,53
∴52 is the multiple of 3
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