Ratio of two numbers a and b is 3:5. If 2 is added to both the numbers, the ratio becomes 2:3. Find bv.

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A. 12
B. 7
C. 10
D. 5

a:b = 3:5 5a = 3b (a+2):(b+2) = 2:3 3(a+2) = 2(b+2) 3a+6 = 2b+4 3*(3b/5) = 2b-2 9b = 10b-10 b =10

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