Answers

2014-08-08T17:55:20+05:30
LCM is 36 = 2^{2} * 3^{2}, the conclusion is that the numbers can be of form 2^{p} * 3^{q} such that 0 \leq p  \leq 2 and 0 \leq q \leq 2.

Now there are two combinations for p and q such that numbers is between 10 and 20 -
(1) ; (p, q) = (1, 2) -> number = 18
(2) : (p, q) = (2, 1) -> number = 12

This is the way, you solve it.

Answer = (12, 18) or (18, 12)
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2014-08-10T04:23:53+05:30
LCM(m;\ n)=36\\\\The\ divisors\ of\ 36:\\1;\ 2;\ 3;\ 4;\ 6;\ 9;\ \fbox{12};\ \fbox{18};\ 36\\\\Answer:12\ and\ 18.
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Can u please help me with the other question?