In an election between two candidates, 5% of the registered voters did not cast their vote. 10% of the votes were found to be either invalid or of NOTA. The winning candidate received 60% votes in his favour and won the election by 17271 votes. Find the number of registered voters.

Answer: Option C

Solution

Answer: Option C

Solution:

$$\begin{array}{rl}& 20\%\text{ of }885=17271\\ & 855\times \frac{20}{100}=17271\\ & 1\to 101\\ & \therefore 1000=101000\end{array}$$