In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Q: Problem: if a person walks at 20 km / hr instead of 10 km / hr , he would have walked 20 km more . the actual distance traveled by him is : 
Options: a ) 20 km , b ) 56 km , c ) 60 km , d ) 70 km , e ) 80 km

A: a
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Q: Problem: two numbers are less than a third number by 40 % and 47 % respectively . how much per cent is the second number less than the first ? 
Options: a ) 95 % , b ) 88 % , c ) 85 % , d ) 90 % , e ) none of these

A: b
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Q: Problem: 450.271 + 369.422 ÷ 0.03 - 108.612 x 2.001 = ? 
Options: a ) 12980 , b ) 12532 , c ) 12610 , d ) 12430 , e ) 12560

A:
b
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