cut each other at right angle at the origin.
12. एक थैले में 3 उजली तथा 2 काली गोलियाँ हैं। यादृच्छया एक उजली
गोली निकालने की प्रायिकता निकालें। Abag contains 3 white and 2
black balls. Find the probability of drawing a white ball at
random.
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total amount ball= 2+3
5
probability of white ball = 3 upon 5
probability of black bal= 2 upon 5
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