Maths / Ratio and Proportion / Proportion

QUESTION
 

Simplify  :x:10::9:5

OPTIONS
A. 

45

B. 

21

C. 

18

D. 

34

Right Option : C

EXPLANATION
Explain TypeExplanation Content
Text

Write the proportion as fraction

x:10::9:5

Rightarrow : : frac {x}{10}=frac {9}{5} Rightarrow x=frac {9}{5} times 10=18

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