Aptitude - Average - Discussion
Discussion Forum : Average - General Questions (Q.No. 10)
10.
In Arun's opinion, his weight is greater than 65 kg but less 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 are them are correct in their estimation, what is the average of different probable weights of Arun?
Answer: Option
Explanation:
Let Arun's weight by X kg.
According to Arun, 65 < X < 72
According to Arun's brother, 60 < X < 70.
According to Arun's mother, X <= 68
The values satisfying all the above conditions are 66, 67 and 68.
 Required average = |
 |
66 + 67 + 68 |  |
= | |
201 | |
= 67 kg. |
| 3 | 3 |
Discussion:
58 comments Page 6 of 6.
Aashi said:
2 years ago
Best explanation Thanks @ANUKA.
(6)
Niraj said:
1 decade ago
((65+72)+(60+70)+(68))/5 = 67.
Abdul Waheed said:
8 years ago
You are right, Thanks @Gopal.
Avik said:
5 years ago
Why not to take 66,65 and 68?
(4)
Pavan said:
2 decades ago
How did take 66, 67 and 68 ?
Vasan said:
9 years ago
@Venu, explained very well.
Rajeshwari said:
9 years ago
Thank you @Sathiya.
James silberschatz said:
1 decade ago
71+69+68/3=6.33
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