LCM and HCF of two numbers are respectively 3 and 18. If one of them is 9, find the other number.
ATQ, we can say that Let the first number be 'a' and second number be 'b'. LCM × HCF = a × b 18 × 3 = 9 × b 54 = 9 × b b = 6 ∴ The second number is 6.
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