What is the value of D, if A : C = B : D in the given table?

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Question

What is the value of D, if A : C = B : D in the given table?

![image.png](https://res.cloudinary.com/aptidude/image/upload/v1746537329/aptidude_questions/mptt2vszbkqvhripmzrd.png)

Accepted Answer

Given: A : C = B : D

Substitute the values:
A = 25, B = 40, C = 30, D = ?

So, 25 : 30 = 40 : D

This means:
25/30 = 40/D

Cross-multiplied:
25 × D = 30 × 40
25D = 1200
D = 1200 / 25
D = 48

Therefore, the value of D is 48.

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