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In Shubham opinion, his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Shubham and he thinks that Shubham’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 of them are correct in their estimation, what is the average of different probable weights of Shubham ?


1. 65 kg
2. 60 kg
3. 72 kg
4. 67 kg
5. 35.5 kg

1 Answer

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Best answer
Correct Answer - Option 4 : 67 kg

Explanation:

Let Shubham’s weight be X kg.

According to Shubham, 65 < X < 72.

According to Shubham’s brother, 60 < X < 70.

According to Shubham’s mother, X < 68.

The values satisfying all the above conditions are 66 and 67.

Required average = (66 + 67 + 68)/3 = 67 kg

 Average of different probable weights of Shubham is 67 kg

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