Discussion Forum



1)

In Aran's opinion, his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Aran and he thinks that Arum's weight is greater than 60 kg bat 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 Aran ?


A) 67 kg

B) 68 kg

C) 69 kg

D) Data inadequate

E) None of these

Answer:

Option E

Explanation:

Let Arun's weight be x kg
According to 65<x<72
Arun's brother 60<x70
Arun's mother x<68
The values satisfying all the above condition are 66 and 67.
required average= $\frac{66+67}{3}=\frac{133}{2}=66.5$