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Find two natural numbers whose sum is 85 andtheleast common multiple is 102.

30 & 55
17 & 68
35& 55
51 & 34

Correct Answer: 51 & 34

Explanation:

Let a + b = 85→b = 85 –a

LCM(a,b) =102→ab = 102

k→a(85 –a) = 102k, where k is a natural number.

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