20/y = y/45, what is the value of y?

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20/y = y/45 , ആയാൽ y യുടെ വില എന്ത്?

A25

B27

C45

D30

Answer:

D. 30

Read Explanation:

20/y = y/45 y² =45 × 20 = 900 y=30

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