Problems based on Numbers Test 1

Question : 10 of 40

Marks: +1, -0

The denominator of a fraction is 3 more than the numerator. If the numerator as well as the denominator is increased by 4, the fraction becomes

4 /5

. The original fraction is:

Solution:

Let the numerator and denominator be x and x + 3; then

{x+4}/{x+3+4}=4/5

⇒{x+4}/{x+4}=4/5

⇒5x + 20 = 4x + 28

⇒ x = 8

Hence, fraction

= x/{x+3}=8/11

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