Question
Easy
The ratio of two numbers is 3 : 7 and their LCM is 630. Then, sum of the LCM and HCF of these numbers is :
1
30
2
300
3
600
4
660
Question Details
Time to Solve: 12
Exam: CTET
Level/Paper: CTET_P2
Chapter: Number Operations
Topic: LCM & HCF
Correct Answer
Option D
Explanation
To solve the problem, we need to find the sum of the LCM and HCF of two numbers given that their ratio is 3:7 and their LCM is 630. 1. Understanding the Ratio and LCM: - Let the two numbers be \(3x\) and \(7x\) based on the given ratio 3:7. - The LCM of two numbers \(a\) and \(b\) is given by the formula: \(\text{LCM}(a, b) = \frac{a \times b}{\text{HCF}(a,…Read More
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