Two numbers are in the ratio 3 : 7 . If 6 be added to each of them, then they are in the ratio 5 : 9 Find the numbers?
A. 9 and 21
B. 11 and 17
C. 7 and 17
D. 12 and 23
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সঠিক উত্তরঃ
A.
9 and 21
Explanation:
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