SSC CGL 26 Oct 2014 Shift 1 Paper

Question : 115 of 200

Marks: +1, -0

The ratio of two numbers is 3 : 4 and their LCM is 180. The second number is

Solution:

Numbers = 3x and 4x
Their LCM = 3 × 4 × x = 12x
∴ 12x = 180 ⇒ x =

{180}/{12}

= 5
∴ Second number = 4x
= 4 × 15 = 60

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