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Question 86
LCM of two numbers is 90 and their HCF is 3. Given that one number is 18, find the second number.
Solution
Product of 2 numbers = Product of L.C.M. and H.C.F.
Let second number be $$x$$
=> $$x\times18=90\times3$$
=> $$x=\frac{270}{18}=15$$
=> Ans - (C)
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