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: a car ferry can hold up to 70 tons of cargo . what is the greatest number of vehicles that the ferry can carry if half the vehicles are cars with an average ( arithmetic mean ) weight of 0.75 tons and half of the vehicles are trucks with an average ( arithmetic mean ) weight of 4 tons ?
Options: a ) 14 , b ) 20 , c ) 28 , d ) 32 , e ) 36
[A]: c

[Q]: Problem: the difference between compound and simple interest on a certain sum of money for 3 years at 6 2 / 3 % p . a is rs . 184 . find the sum ?
Options: a ) 33772 , b ) 26782 , c ) 26788 , d ) 13500 , e ) 27761
[A]: d

[Q]: Problem: given that 100.48 = x , 100.70 = y and xz = y , then the value of z is close to
Options: a ) 1.2 , b ) 1.45 , c ) 2.2 , d ) 2.9 , e ) none
[A]:
d