Multiple choice

There are 3 green, 4 orange and 5 white color balls in a bag. If a balls is picked at random, what is the probability of having either a orange or a white balls? एक बैग में 3 हरे, 4 नारंगी और 5 सफेद रंग के बॉल हैं। यदि एक बॉल यादृच्छया चुना जाता है, तो नारंगी या सफेद बॉल होने की प्रायिकता क्या है?

  1. 3/4

  2. 5/9

  3. 1/4

  4. 6/7

  5. 3/5
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Total balls = 3 green + 4 orange + 5 white = 12. Favorable outcomes (orange or white) = 4 + 5 = 9. Probability = favorable/total = 9/12 = 3/4.

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