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'.

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

Problem: the difference between two numbers is 2395 . when the larger number is divided by the smaller one , the quotient is 6 and the remainder is 15 . the smaller number is
Options: a ) 120 , b ) 239 , c ) 476 , d ) 523 , e ) 526
c

Problem: during a certain two - week period , 50 percent of the movies rented from a video store were comedies , and of the remaining movies rented , there were 9 times as many dramas as action movies . if no other movies were rented during that two - week period and there were a action movies rented , then how many comedies , in terms of a , were rented during that two - week period ?
Options: a ) 5 a , b ) 10 a , c ) 20 a , d ) 25 a , e ) 28 a
b