If x : 7.5 = 7 : 17.5, then the value of x is -
A. 1
B. 2.5
C. 3
D. 3.5
Answer: Option C
Solution(By Examveda Team)
$$\eqalign{ & = x:7.5 = 7:17.5 \cr & \Rightarrow 17.5x = 7.5 \times 7 \cr & \Rightarrow x = \frac{{7.5 \times 7}}{{17.5}} \cr & = 3 \cr} $$This Question Belongs to Arithmetic Ability >> Ratio
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