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.
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Question: Question: In 120 m race, A covers the distance in 36 seconds and B in 45 seconds. In this race A beats B by:

 Option A: 24 m

 Option B: 25 m

 Option C: 22.5 m

 Option D: 9 m

 Option E: 12 m

Answer: Option A


Question: Question: Kim has 3 pairs of shoes; each pair is a different color. If Kim randomly selects 2 shoes without replacement from the 6 shoes, what is the probability that she will select 2 shoes of the same color?

 Option A: 2/5

 Option B: 1/5

 Option C: 1/9

 Option D: 1/10

 Option E: 1/25

Answer: Option B


Question: Question: A bus travel 5/7 of its speed covers 42 km in 1 hr 40 min48 sec. What is theactual speed of the bus ?

 Option A: 25 km/hr

 Option B: 35 km/hr

 Option C: 40 km/hr

 Option D: 42 km/hr

 Option E: 45 km/hr

Answer:
Option B