SSC CPO SI and ASI Model Paper 3

Question : 127 of 200

Marks: +1, -0

The HCF of two numbers is 15 and their LCM is 840. If one of the numbers is 105, then what is the second number?

Solution:

(3) Product of two numbers= Product of their LCM and HCF
First number × second number= LCM × HCF
105 × second number = 840 × 15Second number

={840× 15}/105=120

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