Question

2. If the numerator of a fraction is increased by 20% and the denominator is decreased by 5% the value of the new fraction becomes 5/2 The original fraction is

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Answer 1

Answer:

Let the fraction be  y/x.

Then from the given condition,  y−10%ofyx+20%of x=2116

⇒y−10yx+5x=2116

⇒109y/56x=2116

⇒yx=2116×109×65=74