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'.
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Question: Problem: if a ( a - 2 ) = 2 and b ( b - 2 ) = 2 , where a ≠ b , then a + b = 
Options: a ) − 1 , b ) − 2 , c ) 4 , d ) 46 , e ) 48

Answer: a


Question: Problem: a number when divided by a certain divisor left remainder 241 , when twice the number was divided by the same divisor , the remainder was 115 . find the divisor ? 
Options: a ) 370 , b ) 365 , c ) 380 , d ) 367 , e ) 460

Answer: d


Question: Problem: what number should replace the question mark ? 10 , 30 , 14 , 25 , 18 , 20 , - - - ? 
Options: a ) 19 , b ) 21 , c ) 25 , d ) 22 , e ) 20

Answer:
d