You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.

Question: The difference between the place values of 7 and 3 in the number 527435 is

Option A: 4

Option B: 5

Option C: 45

Option D: 6970

Option E: None
Option D

Question: Find compound interest on Rs. 5000 at 12% per annum for 1 year, compounded half-yearly.

Option A: Rs. 600

Option B: Rs. 618

Option C: Rs. 525

Option D: Rs. 620

Option E: None
Option B

Question: . In a certain city, 60 percent of the registered voters are Democrats and the rest are Republicans. In a mayoral race, if 80 percent of the registered voters who are Democrats and 20 percent of the registered voters who are Republicans are expected to vote for Candidate A, what percent of the registered voters are expected to vote for Candidate A ?

Option A: 50%

Option B: 53%

Option C: 54%

Option D: 55%

Option E: 56%
Option E