If 3 is added to both numerator and denominator of a fraction , it becomes 5/7. If 9 is subtracted from both numerator and denominator, it becomes 1/3. What is the fraction ?
A. 15/21
B. 12/18
C. 18/32
D. 10/17
সঠিক উত্তরঃ
B.
12/18
Explanation:
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