. the rational number is
A rational number becomes 
on subtracting 1 from its numerator and it becomes 
when 8 is added to its denominator, the rational number is ?
A. 
B. 
C. 
D. 
Best Answer
Answer ||| A
Solution |||
Let the ration number be 
By condition (i)
3x – y = 3 .......(i)
By condition (ii)
4x - y = 8 .....(ii)
by solving (i) and (ii)
x = 5, y = 12
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