ABC26GN2988 · Ratio and Proportion

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

If $2 A=3 B=4 C$, then $A: B: C$ is equal to

(a)2 : 3 : 4

(b)3 : 4 : 6

(c)4 : 3 : 2

(d)6 : 4 : 3

Answer

Answer (as printed): D

Explanation

Let $2 A=3 B=4 C=k$. Then, $A=\frac{k}{2}, B=\frac{k}{3}, C=\frac{k}{4}$. $$\therefore A: B: C=\frac{k}{2}: \frac{k}{3}: \frac{k}{4}=\frac{1}{2}: \frac{1}{3}: \frac{1}{4}=6: 4: 3 .$$

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

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