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Q.

If 0.75:x::5:80., then x is equal to:



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a

1.12

b

1.20

c

1.25

d

1.30 

answer is B.

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Detailed Solution

Concept: A:B:C:D can be written as ab=cd. The equation can be made simpler by cross-multiplying it and then simplifying it. Finally, convert the fractional value of x to decimal form.
Given
0.75: X:: 5: 8
Formula Used
If a: b:: c: d
then, Question ImageCalculation
 0.75: X:: 5: 8
Question ImageQuestion ImageQuestion Image The required answer is 1.20
Hence, option 2 is the correct option.
 
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