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There are 4 red balls and 5 green balls in a box. To get a pair of balls of the same color, you have to lift at least how many balls with your eyes closed?
1. 2
2. 7
3. 4
4. 5

1 Answer

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Best answer
Correct Answer - Option 2 : 7

Solution:

To get the pair of balls of the same colour we have to pick at least 7 balls 

In the 7 balls, there would be a maximum of 5 green balls and 2 red balls

∴ At least 7 balls we have to lift to get a pair of balls

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