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The sum of the numerator and denominator of a fraction is 12. If the denominator is increased by 3, the fraction becomes 1/2. What is the fraction?
  • a)
    2/7
  • b)
    3/7
  • c)
    5/7
  • d)
    1/7
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
The sum of the numerator and denominator of a fraction is 12. If the d...
Let the fraction be x/y
then x + y = 12 .....(1)
and

By solving eqn (1) and (2), we get x = 5, y = 7
x/y = 5/7
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The sum of the numerator and denominator of a fraction is 12. If the denominator is increased by 3, the fraction becomes 1/2.What is thefraction?a)2/7b)3/7c)5/7d)1/7Correct answer is option 'C'. Can you explain this answer?
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