Rajanikant has 12 sketch pens and 8 fountain pens.He gave two of the pens to his brother.Find the probabilities of following events using tree diagram.1) Both the pens are sketch pens.2) Only one is sketch pen.3)Neither of them are sketch pens.
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1) 66/190
2)96/190
3)28/190
2)96/190
3)28/190
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