Practicing Success

Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Ratios

Question:

If A : B = 2 : 3, B : C = 4 : 5 and C : D = 6 : 7, then the value of $\frac{A+B+C}{D}$ is:

Options:

3

7

5

2

Correct Answer:

2

Explanation:

A  :  B  :  C  :  D

2  :  3  :

    :  4  :  5 

           :  6  :  7

48 : 72 : 90 : 105

⇒ $\frac{A+B+C}{D}$ = $\frac{48+72+90}{105}$ = $\frac{210}{105}$ = 2