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: if a person walks at 14 km / hr instead of 10 km / hr , he would have walked 20 km more . the actual distance traveled by him is : 
Options: a ) 50 km , b ) 56 km , c ) 60 km , d ) 70 km , e ) 80 km
a

Problem: what is the dividend ? the divisor is 800 , the quotient is 594 , and the remainder is - 968 . 
Options: a ) 6623 , b ) 43036 , c ) 51515 , d ) 474232 , e ) 2025
d

Problem: when positive integer x is divided by positive integer y , the remainder is 8 . if x / y = 76.4 , what is the value of y ? 
Options: a ) 20 , b ) 22 , c ) 23 , d ) 24 , e ) 25

a