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: Two numbers are in the ratio 3 : 4. If their L.C.M. is 72. what is sum of the numbers?

 Option A: 42

 Option B: 56

 Option C: 76

 Option D: 84

 Option E: 85

Answer: Option A


Question: Question: A car dealership has 40 cars on the lot, 30% of which are silver. If the dealership receives a new shipment of 80 cars, 40% of which are not silver, what percentage of total number of cars are silver?

 Option A: 35%

 Option B: 37.5%

 Option C: 45%

 Option D: 47.5%

 Option E: 50%

Answer: Option E


Question: Question: According to the formula F=9/5 (C) +32, if the temperature in degrees Farenheit (F) increases by 25, by how much does the temperature in degrees Celsius (C) increase?

 Option A: 9

 Option B: 13.88

 Option C: 47

 Option D: 48 3/5

 Option E: 59

Answer:
Option B