SSC CGL 2010 Tier 1 Question Paper - Shift 2

Question 128

If 1.5 a = 0.04 b then $$\frac{b - a}{b+a}$$ is equal to

Solution

1.5a = 0.04b (given)
or $$\frac{b}{a}$$=$$ \frac{1.5}{0.04}$$
or $$\frac{b}{a}$$=37.5
Now  $$\frac{b-a}{b+a}$$=$$\frac{\frac{b}{a}-1}{\frac{b}{a}+1}$$
putting values and after solving we will get answer as $$\frac{73}{77}$$

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