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.

Q: Question: A can run 2 km distance in 2 min 20 seconds, while B can run this distance in 3 min 5 sec. . By how much distance can A beat B?

Option A: 900 m

Option B: 500 m

Option C: 120 m

Option D: 180 m

Option E: 190 m

A: Option B
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Q: Question: A contractor undertakes to built a walls in 50 days. He employs 40 peoples for the same. However after 25 days he finds that only 40% of the work is complete. How many more man need to be employed to complete the work in time?

Option A: 60

Option B: 30

Option C: 35

Option D: 20

Option E: None of these

A: Option A
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Q: Question: If the price of petrol increases by 20, by how much must a user cut down his consumption so that his expenditure on petrol remains constant?

Option A: 16.7%

Option B: 20%

Option C: 24.67%

Option D: 33.33%

Option E: None of these

A:
Option A
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