If $\frac{A}{2}=\frac{B}{3}=\frac{C}{7}$

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Target Exam

CUET

Subject

General Aptitude Test

Chapter

Numerical Ability

Topic

Ratios

Question:

If $\frac{A}{2}=\frac{B}{3}=\frac{C}{7}$, then what is the value of the ratio (4A + 3B - C) : (A + B + C)?

Options:

7 : 6

5 : 6

9 : 8

8 : 5

Correct Answer:

5 : 6

Explanation:

A : B : C = 2 : 3 : 7

⇒ (4A + 3B - C) : (2 + 3 + 7)

⇒ (4(2) + 3(3) - 7) : (12)

⇒ 10 : 12 = 5 : 6.