Aptitude - Percentage - Discussion
Discussion Forum : Percentage - General Questions (Q.No. 9)
9.
| A student multiplied a number by | 3 | instead of | 5 | . |
| 5 | 3 |
What is the percentage error in the calculation?
Answer: Option
Explanation:
Let the number be x.
| Then, error = | 5 | x - | 3 | x = | 16 | x. |
| 3 | 5 | 15 |
| Error% = |  |
16x | x | 3 | x 100 |  % = 64%. |
| 15 | 5x |
Discussion:
134 comments Page 11 of 14.
Umesh chandra said:
5 years ago
How it will be? could you please explain?
Chitra said:
1 decade ago
I don't get it. Please any one tell me.
Sanghavi said:
6 years ago
I am not getting it. Please explain me.
Sunil said:
1 decade ago
Why we finally multiplying with 3/5x?
Jac said:
9 years ago
This session is very helpful. Thanks.
Ganesh said:
9 years ago
@Sudershan. Thanks for your solution.
Gokul prasanth said:
1 decade ago
Final step is (3x/3x)*100 = 50%.
Mahima said:
8 years ago
Thank you all for the solution.
Raj said:
3 years ago
How 16/15 came? Please explain.
(9)
Arun said:
1 decade ago
Thank you guys. Good analysis.
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