ABC26GN3067 · Ratio and Proportion

Subject: General Aptitude · Chapter: Ratio and Proportion · Exam: · Marks: · Difficulty:

The sides of a triangle are in the ratio 3 : 4 : 5. The measure of the largest angle of the triangle is

(a)60°

(b)75°

(c)120°

(d)150°

Answer

Answer (as printed): B

Explanation

Sum of the angles of a triangle $=180^{\circ}$. $$\text { ∴ Largest angle }=\left(180 \times \frac{5}{12}\right)^{\circ}=75^{\circ} .$$

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