Aptitude - Percentage - Discussion
Discussion Forum : Percentage - General Questions (Q.No. 7)
7.
In a certain school, 20% of students are below 8 years of age. The number of students above 8 years of age is 
of the number of students of 8 years of age which is 48. What is the total number of students in the school?
Answer: Option
Explanation:
Let the number of students be x. Then,
Number of students above 8 years of age = (100 - 20)% of x = 80% of x.
 80% of x = 48 + |
2 | of 48 |
| 3 |
 |
80 | x = 80 |
| 100 |
x = 100.
Video Explanation: https://youtu.be/yPfocU6DA2M
Discussion:
135 comments Page 12 of 14.
Sam said:
9 years ago
I like your method @Showry.
Sonam said:
1 decade ago
I like your method; saifz.
Mallikarjun Reddy said:
7 years ago
Well said, Thanks @Ramesh.
Naga vignesh said:
7 years ago
I think the answer is 150.
(1)
Ayesha said:
9 years ago
Nice explanation @Ramesh.
Kundan said:
8 years ago
Best explanation @Ramesh.
Amal said:
4 months ago
I think 120 is correct.
(2)
Akanksha said:
1 decade ago
Ramesh method is best.
Madhavi said:
1 decade ago
Ramesh mehod is best.
Omar Fahad said:
7 years ago
Thanks @Robin Loomba.
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