Question 104

If the numerator of a fraction is increased by 250% and the denominator is increased by 400%. The resultant fraction is $$\frac{7}{19}$$. What is the original fraction ?

Solution

Let the two numbers be a,b

We have the new fraction as (a+2.5a)/b+4b=7/19;

35a/50b=7/19;

After simplification we get 10:19 As the answer.


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