Question

In Arun's opinion, his weight is greater than 65 kg but leas than 72 kg. His brother does not 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 of them are correct in their estimation, what is the average of diferent probable weights of Arun ?

A) 55.5 kg B) 66.5 kg C) 77.5 kg D) 88.5 kg

Answer 1

it cannot be greater than 65 so a is wrong

brother greater than 60 but less than 70 so c is wrong

mother cannot be greater than 68 so d is wrong so we get the answer as 66.5