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: what should be the least number to be added to the 3198 number to make it divisible by 8 ? 
Options: a ) 12 , b ) 17 , c ) 2 , d ) 77 , e ) 26

A: c
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Q: Problem: for how many integer values of n will the value of the expression 4 n + 7 be an integer greater than 1 and less than 120 ? 
Options: a ) 22 , b ) 24 , c ) 26 , d ) 28 , e ) 30

A: e
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Q: Problem: on a certain day , joey , the ice - cream seller sold his ice creams to 4 different kids in a manner that each of the kids purchased half of the remaining ice creams and half ice - cream more . if we tell you that the fourth kid bought just a single ice cream , can you find out how many ice creams were sold by joey that day ? 
Options: a ) 15 , b ) 20 , c ) 22 , d ) 12 , e ) 8

A:
a
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