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: A car during its journey travels 30 minutes at a speed of 60 kmph, another 45 minutes at a speed of 80 kmph, and 1 hours at a speed of 70 kmph.The average speed of the car is

Option A: 63.07 kmph

Option B: 64 kmph

Option C: 75 kmph

Option D: 80 kmph

Option E: None of these
Option D

Question: An amount of Rs. 75000 is invested in two types of shares. The first yields an interest of 9% p.a and the second, 11% p.a. If the total interest at the end of one year is 9 3/4 %, then the amount invested in each share was?

Option A: s. 46875; Rs. 28125

Option B: s. 62500; Rs. 37500

Option C: s. 72500; Rs. 27500

Option D: s. 82500; Rs. 17500

Option E: s. 72500; Rs. 17500
Option A

Question: A football player scores 4 goals in his fifth match thus increasing his average goals score by 0.2. The total number of goals in his 5 matches would be

Option A: 4

Option B: 6

Option C: 8

Option D: 10

Option E: 16
Option E