Question

'A' and 'B' have coins in the ratio of 7:5, respectively. If 'B' gives 2 coins to 'A', then the new ratio of coins with 'A' and 'B' becomes 3:2, respectively. Find the initial difference between coins with 'A' and 'B'.

A 20
B 16
C 12
D 10
E None of these
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