Question 70
Product of Highest Common Factor and Least Common Multiple of two numbers is 216. If one of the numberis 12, then what will be the ratio of these two numbers?
Solution
Product of 2 numbers $$a$$ and $$b$$ = L.C.M.(a,b) $$\times$$ H.C.F.(a,b)
=> Second number = $$\frac{216}{12}=18$$
$$\therefore$$ Ratio of the two numbers = $$\frac{12}{18}=2:3$$
=> Ans - (C)
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