Multiple Choice Questions

The ratio of two numbers is 9 13 and their HCF is 6 Their LCM is ........

Quantitative Aptitude (MTS) LCM, HCF

The ratio of two numbers is 9: 13 and their HCF is 6. Their LCM is:

This questions was previously asked in

SSC MTS 22nd October 2021 Shift-2

720

710

702

602

- The ratio of two numbers is given as 9:13. Assume the numbers are 9x and 13x.

- Their highest common factor (HCF) is 6, meaning HCF of 9x and 13x is 6.

- This implies x must be 6, because HCF of 9 and 13 is 1, and multiplying by x gives us 6.

- Hence, the numbers are 54 (9*6) and 78 (13*6).

- Use the formula: LCM = (Product of the numbers)/(HCF).

- Thus, LCM = (54 * 78) / 6 = 702.

Option 3: 702 is indeed correct.

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