SSC CPO SI and ASI Model Paper 4

Question : 119 of 200

Marks: +1, -0

What will be the value of x such that 3, x and 12 will be in continued proportion?

Solution:

(1) For 3, x and 12 to be incontinued proportion,
3 : x : : x : 12

3/x=x/12⇒x^2=36⇒x= 6

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