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 14 of 14.
Jananipriya.p. said:
1 decade ago
What is the logic behind the term (16x/15 * 3/5x) ?
(1)
Prawin said:
2 decades ago
error = true vlue- false value
error=(5/3)x-(3/5)x
error=(5/3)x-(3/5)x
Moorthy said:
2 decades ago
Then, error = 5/3 x - 3/5 x = 16/15x.
how to came this term?
how to came this term?
(1)
R.SRAVAN said:
2 decades ago
If error came a negative value then what is the solution?
(1)
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