The ration 43.5 : 25 is the same as = ?
A. 4 : 1
B. 2 : 1
C. 1 : 2
D. 1 : 4
Answer: Option A
Solution(By Examveda Team)
$$\eqalign{ & {4^{3.5}}:{2^5} \cr & = {\left( {{2^2}} \right)^{3.5}}:{2^5} \cr & = {2^{2 \times 3.5}}:{2^5} \cr & = {2^7}:{2^5} \cr & = {2^2}{.2^5}:{2^5} \cr & = {2^2}:1 \cr & = 4:1 \cr} $$This Question Belongs to Arithmetic Ability >> Ratio
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