itisSheldon wrote:

If a is K percent of b, then b is what percent of 0.1a?

(A) 1/K

(B) 10/K

(C) 100/K

(D) 10,000/K

(E) 100,000/K

Given : \(a = \frac{K}{100} * b\) (a is K percent of b)

----- 1solving this equation we get \(\frac{a}{b}=\frac{K}{100}\)

Let b be ' X ' percent of 0.1a

\(b = \frac{X}{100}* [0.1a]\)

----- 2Rearranging

\(\frac{b}{a} = \frac{X*0.1}{100}\)

putting values of b/a from equation 1

XK = 100000

Therefore X = \(\frac{100000}{K}\)

Answer :

E
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Regards ,

Dhruv

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