In Jessica's opinion, her weight is greater than 65 kg but less than 72 kg. Her brother doest not agree with Jessica and he thinks that Jessica's weight is greater than 60 kg but less than 70 kg. Her mother's view is that her 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 Jessica?	Choose the correct choice from the following
A) 67 kg. B) 68 kg. C) 69 kg. D) Data inadequate E) None of these
Explanation: Let Jessica's weight by X kg.   According to Jessica, 65 &lt; X &lt; 72   According to Jessica's brother, 60 &lt; X &lt; 70.   According to Jessica's mohter, X &lt;= 68   The values satisfying all the above conditions are 66, 67 and 68.   Required average= (66+67+68 /3) = (201 /3)= 
<gadget id="calculator">(201 /3)</gadget>
<output>67</output>
67kg   67 kg.nswer: Option 67 kg.
<result>A</result>
In Jessica's opinion, her weight is greater than 65 kg but less than 72 kg. Her brother doest not agree with Jessica and he thinks that Jessica's weight is greater than 60 kg but less than 70 kg. Her mother's view is that her 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 Jessica?