A) Rs.400
B) Rs.500
C) Rs.600
D) Rs.800
Correct Answer: B
Solution :
\[\frac{a}{b}=\frac{b}{c}\] \[\Rightarrow \] \[{{b}^{2}}=ac\] \[\Rightarrow \] \[b=\sqrt{ac}\]You need to login to perform this action.
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