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If 18 : 24 : : 24 : y, what is the value of y?
Question

If 18 : 24 : : 24 : y, what is the value of y?

A.

36

B.

18

C.

24

D.

32

Correct option is D

Given:

18 : 24 : : 24 : y 

Concept Used:

If a:b :: c:d then ab=cd\frac ab =\frac cd

Solution:

18 : 24 : : 24 : y 

1824=24y  y=24×2418=32\implies \frac{18}{24} = \frac{24}{y}\\\ \\\implies y = \frac{24\times24}{18} = 32​​

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