the salaries of a b and c are in the..., Ratio & Proportion, General Mathematics

Question:The salaries of `A, B,` and `C` are in the ratio of `1 : 2 : 3`. The salary of `B` and `C` together is Rs. `6000`. By what percent is the salary of `C` more than that of `A` ?

A `100%` 
B `200%` 
C `300%` 
D `600%`

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+ AnswerB

+ ExplanationLet the salaries of `A, B, C` be `x, 2x` and `3x` respectively.

Then, `2x + 3x = 6000`

`iff x = 1200`.

`:. A's`salary `= Rs. 1200, B's ` 

salary `= Rs. 2400`, and 

`C's` salary `= Rs. 3600`.

`:.` Excess of `C's` salary over 

`A's = ((2400)/(1200) xx 100)%`

`= 200%`

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