There are two numbers, 1 number is 12 more than the 2"d number. The average of the two numbers is 19. If 2 is added in both numbers, find the ratio of the numbers.
A. 5:9
B. 11:9
C. 4:9
D. 9:5
সঠিক উত্তরঃ
D.
9:5
Explanation:
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