Let the number of registered votes be 100x The number of votes casted =80x Votes received by one of the candidates =10030​×80x=24x Remaining votes =80x−24x=56x Votes received by other three candidates is 656x​,62×56x​,63×56x​ It is given, 28x−24x=25124x=2512x=628 The number of registered votes =100x=62800 The answer is option D.