ABC26GN2118 · Percentage

Subject: General Aptitude · Chapter: Percentage · Exam: · Marks: · Difficulty:

In expressing a length 81.472 km as nearly as possible with three significant digits, find the percentage error.
Answer
Answer (as printed):
Explanation
Error $=(81.5-81.472)$ km $=0.028$ km. Required percentage $=\left(\frac{0.028}{81.472}\times 100\right)\%=0.034\%$.

Explanation as extracted from the printed page; notation may be imperfect.

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