If \[x:y::2:3\]and \[2:x::4:8,\]then the value of y, is [SSC (CPO) 2014] |
A) 6
B) 8
C) 4
D) 12
Correct Answer: A
Solution :
\[\frac{2}{x}=\frac{4}{8}\]\[\Rightarrow \]\[4x=16\]\[\Rightarrow \]\[x=4\] |
Put the value of x in \[\frac{x}{y}=\frac{2}{3},\]we get |
\[\frac{4}{y}=\frac{2}{3}\]\[\Rightarrow \]\[2y=12\]\[\Rightarrow \]\[y=6\] |
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