Question
Three numbers a, b and c are co-prime to each other
such that ab = 63 and bc = 77. Find the value of (a + b + c).Solution
Given, ab = 63 and bc = 77 Therefore, their H.C.F = b = 7 Therefore, a = 63/7 = 9 And, c = 77/7 = 11 Therefore, a + b + c = 9 + 7 + 11 = 27
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