Question
Three numbers a, b and c are co-prime to each other
such that ab = 78 and bc = 65. Find the value of (a + b + c).Solution
Given, ab = 78 and bc = 65 Therefore, their H.C.F = b = 13 Therefore, a = 78/13 = 6 And, c = 65/13 = 5 Therefore, a + b + c = 6 + 13 + 5 = 24
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