71. A bag contains 5 red and 6 blue balls. If two balls are selected at random, find the probability that the balls are in different color. एक बैग में 5 लाल और 6 नीली गेंदें होती हैं। यदि दो गेंदों को यादृच्छिक पर चुना जाता है, तो इस संभावना को ढूंढें कि गेंद अलग-अलग रंग में हैं।A. 5/11 B. 1/11 C. 6/11 D. 2/55 E. None of these |
72. A bag contains 3 red balls and 4 green balls. What is the probability of selecting 2 green balls from the bag? एक थैले में 3 लाल गेंदें और 4 हरी गेंदें हैं। थैले में से 2 हरी गेंदों को चुनने की प्रायिकता क्या है ?A. 1/7 B. 2/7 C. 3/7 D. 4/7 E. None of these |
73. What is the probability of selecting 2 blue balls from a bag containing 4 red balls and 5 blue balls? 4 लाल गेंदों और 5 नीली गेंदों वाले बैग में से 2 नीली गेंदों के चयन की प्रायिकता क्या है?A. 5/18 B. 7/18 C. 1/3 D. 2/9 E. 3/7 |
74. A bag contains 5 red balls and 7 blue balls. Find the probability to choose 2 balls in the same color. एक बैग में 5 लाल गेंदें और 7 नीली गेंदें हैं। एक ही रंग की 2 गेंदों को चुनने की प्रायिकता ज्ञात कीजिए।A. 1/66 B. 31/66 C. 29/66 D. 1/22 E. 1/33 |
75. If the box contains 4 red balls and 3 green balls, what is the probability of picking two balls of the same color? यदि बॉक्स में 4 लाल गेंदें और 3 हरी गेंदें हैं, तो एक ही रंग की दो गेंदों को चुनने की प्रायिकता क्या है?A. 2/5 B. 3/7 C. 4/9 D. 1/5 E. None of these |
76. What is the probability of selecting 2 red balls from the bag containing 4 yellow balls and 5 red balls? 4 पीली गेंदों और 5 लाल गेंदों वाले बैग में से 2 लाल गेंदों के चयन की प्रायिकता क्या है?A. 1/9 B. 1/6 C. 2/9 D. 5/18 E. None of these |
77. A bag contains 4 red balls, 3 blue balls and 6 green balls. If two balls are drawn at random, then what is the probability that either both are red or both are blue? एक थैले में 4 लाल गेंदें, 3 नीली गेंदें और 6 हरी गेंदें हैं। यदि दो गेंदें यादृच्छया निकाली जाती हैं, तो या तो दोनों के लाल या दोनों के नीले होने की प्रायिकता क्या है?A. 1/26 B. 1/13 C. 3/26 D. 2/13 E. None of these |
78. A bag contains 15 balls marked 1 to 15. If one ball is drawn at random, then what is the probability that is marked with a number divisible by 2? एक थैले में 1 से 15 तक चिह्नित 15 गेंदें हैं। यदि एक गेंद यादृच्छया निकाली जाती है, तो गेंद के 2 से विभाज्य होने की संख्या से चिह्नित होने की प्रायिकता क्या है?A. 3/20 B. 7/10 C. 1/5 D. 1/4 E. None of these |
79. If the bag contains 5 red balls and 5 green balls, if 2 balls are drawn randomly, then what is the probability that both are green balls? यदि थैले में 5 लाल गेंदें और 5 हरी गेंदें हैं, यदि 2 गेंदें यादृच्छया निकाली जाती हैं, तो दोनों के हरी गेंद होने की प्रायिकता क्या है?A. 2/9 B. 1/8 C. 4/5 D. 3/8 E. None of these |
80. The box has 3 red balls, 4green balls and 2 blue balls. If three balls are drawn at random, what is the probability of drawing exactly 2 green balls? बॉक्स में 3 लाल गेंदें, 4 हरी गेंदें और 2 नीली गेंदें हैं। यदि यादृच्छिक रूप से तीन गेंदें निकाली जाती हैं, तो ठीक 2 हरी गेंदों के निकलने की प्रायिकता क्या है?A. 3/14 B. 2/7 C. 5/14 D. 3/7 E. None of these |
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