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Qus: In Arun’s opinion, his weight is greater than 65 kg but less than 72 kg. His brother doesn’t agree with Arun and he thinks that Arun’s weight is greater than 60 kg but less than 70 kg. His mother’s view is that his weight cannot be greater than 68 kg. If all are them are correct in their estimation, what is the average of different probable weights of Arun?

Qusअरुण की राय में उनका वजन 65 किलो से ज्यादा लेकिन 72 किलो से कम है. उसका भाई अरुण से सहमत नहीं है और वह सोचता है कि अरुण का वजन 60 किलो से अधिक लेकिन 70 किलो से कम है। उनकी मां का मानना ​​है कि उनका वजन 68 किलो से ज्यादा नहीं हो सकता। यदि वे सभी अपने अनुमान में सही हैं, तो अरुण के विभिन्न संभावित भारों का औसत क्या है?


A. 67 kg
B. 68 kg
C. 69 kg
D. Data inadequate


Solution
A. 67 kg



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