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: having scored 95 runs in the 19 th inning , a cricketer increases his average score by 4 . what will be his average score after 19 innings ? 
Options: a ) 28 , b ) 27 , c ) 23 , d ) 22 , e ) 24

A: c
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Q: Problem: 1 , 6 , 16 , 31 , 51 , ( . . . . ) 
Options: a ) 61 , b ) 66 , c ) 76 , d ) 86 , e ) 83

A: b
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Q: Problem: if 13 = 13 w / ( 1 - w ) , then ( 4 w ) 2 = 
Options: a ) 1 / 4 , b ) 1 / 2 , c ) 1 , d ) 2 , e ) 4

A:
e
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