The ratio between two numbers is 2 : 3. If each number is increased by 4, the ratio between them becomes 5:7. The difference between the numbers is

The ratio between two numbers is 2 : 3. If each number is increased by 4, the ratio between them becomes 5:7. The difference between the numbers is
1). 8
2). 2
3). 6
4). 4

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