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The HCF of two numbers is 15 and their LCM is 300. If one of the number is 60, the other is:1. 1002. 753. 504. 65 |
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Answer» Correct Answer - Option 2 : 75 Given: HCF = 15 LCM = 300 First number = 60 Concept used: If 'a' and 'b' are two numbers, then LCM × HCF = a × b Calculations: Let the first number be 'a' and second number be 'b'. LCM × HCF = a × b ⇒ 300 × 15 = 60 × b ⇒ 4500 = 60 × b ⇒ b = 75 ∴ The second number is 75. |
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