ABC26GN2237 · Percentage

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

Anand has drawn an angle of measure 45° 27' when he was asked to draw an angle of 45°. The percentage error in his drawing is

(a)0.5

(b)1.0

(c)1.5

(d)2.0

Answer

Answer (as printed): B

Explanation

Error $=\left(45^{\circ} 27^{\prime}-45^{\circ}\right)=27^{\prime}$. Accurate measure $=45^{\circ}=(45 \times 60)^{\prime}=2700^{\prime}$. $$\text { ∴ Percentage error }=\left(\frac{27}{2700} \times 100\right) \%=1 \% .$$

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

Open in whiteboard · Browse this chapter in the app