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: a certain number of horses and an equal number of men are going somewhere . half of the owners are on their horses ' back while the remaining ones are walking along leading their horses . if the number of legs walking on the ground is 40 , how many horses are there ? 
Options: a ) 8 , b ) 12 , c ) 14 , d ) 16 , e ) 18

A: a
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Q: Problem: on the number line , the number p is twice as many units from - 2 as - 2 is from 2 . if p is less than – 2 , what is the value of p ? 
Options: a ) – 18 , b ) – 10 , c ) – 6 , d ) 10 , e ) 14

A: b
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Q: Problem: how many odd prime numbers are there less than 50 ? 
Options: a ) 15 , b ) 1 , c ) 2 , d ) 14 , e ) 17

A:
d
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