Medium Math Class 9 Level 6

A bag has 9 red 6 blue and 5 green balls. What is the probability of drawing a blue or green ball?

एक थैले में 9 लाल 6 नीली और 5 हरी गेंदें हैं तो नीली या हरी गेंद निकालने की प्रायिकता क्या है?

A 9/20 / 9/20 B 11/20 / 11/20 C 3/10 / 3/10 D 1/4 / 1/4
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Correct Answer

B. 11/20 / 11/20

Explanation

There are 20 balls in total and 11 are blue or green so probability is 11/20.

कुल गेंदें 20 हैं और नीली या हरी गेंदें 11 हैं इसलिए प्रायिकता 11/20 है।

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