In an election between two candidates, 85% of the voters cast their votes, out which 4% of the votes were declared invalid. A candidate got 6936 votes which were 85% of the valid votes. Find the total number of voters enrolled in that election.

Answer: Option D

Solution

Answer: Option D

Solution:

$$\begin{array}{rl}& 72.25\mu \to 6936\\ & 100\mu \to \frac{6936\times 100}{72.25}\\ & 100\mu \to 9600\\ & \Rightarrow \text{Valid votes }96\mu \to 9600\\ & 1\mu \to 100\\ & 100\mu \to 10000\text{ Answer}\end{array}$$