SSC_CPO_PYQ_27_June_2024_S3_Q129

Question:

In an election between two candidates, 10% of the voters did not cast their votes and 75 votes were found invalid. The winner got 50% of the total votes expected and won by 170 votes. How many voters were enrolled in the voters’ list?

दो उम्मीदवारों के बीच एक चुनाव में, 10% मतदाताओं ने अपना मत नहीं डाला और 75 मत अवैध पाए गए। विजेता को कुल अपेक्षित मतों का 50% प्राप्त हुआ और वह 170 मतों से विजयी हुआ। मतदाता सूची में कितने मतदाता नामांकित थे?

Options:

  • a) 800
  • b) 850
  • c) 950
  • d) 855
  • a) 800
  • b) 850
  • c) 950
  • d) 855

correct answer : c)

Explanation:

Let total enrolled voters = 100x. Votes not cast = 10x, so votes cast = 90x. Invalid votes = 75, so valid votes = 90x – 75. Winner got 50% of total enrolled votes = 50x. Loser got = Valid votes – Winner’s votes = (90x – 75) – 50x = 40x – 75. Difference = 170 => 50x – (40x – 75) = 170 => 10x + 75 = 170 => 10x = 95 => 100x = 950. Hence, enrolled voters = 950.

मान लीजिए कुल नामांकित मतदाता = 100x। नहीं डाले गए मत = 10x, इसलिए डाले गए मत = 90x। अवैध मत = 75, इसलिए वैध मत = 90x – 75। विजेता को कुल नामांकित मतों का 50% प्राप्त हुआ = 50x। हारने वाले को मिले मत = वैध मत – विजेता के मत = (90x – 75) – 50x = 40x – 75। अंतर = 170 => 50x – (40x – 75) = 170 => 10x + 75 = 170 => 10x = 95 => 100x = 950। अतः, नामांकित मतदाता = 950।

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