RRB RPF RPSF SI and CONS Model Papers 10 with solutions

Question : 46 of 120

Marks: +1, -0

The LCM of two numbers is 30 and their HCF is 5. One of the numbers is 10. The other is

Solution:

(3) First number × second number = LCM × HCF
Let the second number be x.
∴ 10x = 30 × 5
⇒ x =

{30×5}/10= 15

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