Question
Three numbers a, b and c are co-prime to each other
such that ab = 221 and bc = 247. Find the value of (a + b + c).Solution
Given, ab = 221 and bc = 247 Therefore, their H.C.F = b = 13 Therefore, a = 221/13 = 17 And, c = 247/13 = 19 Therefore, a + b + c = 17 + 13 + 19 = 49
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