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: 11 + 12 + 13 + . . . 51 + 52 = ?
Options: a ) 1361 , b ) 1362 , c ) 1323 , d ) 1364 , e ) 1365
[A]: c

[Q]: Problem: in the storage room of a certain bakery , the ratio of sugar to flour is 5 to 4 , and the ratio of flour to baking soda is 10 to 1 . if there were 60 more pounds of baking soda in the room , the ratio of flour to baking soda would be 8 to 1 . how many pounds of sugar are stored in the room ?
Options: a ) 600 , b ) 1200 , c ) 1500 , d ) 1600 , e ) 3000
[A]: e

[Q]: Problem: total 15 cows 5 cow gives each 2 liter milk 5 cow gives each 3 / 4 liter milk 5 cow gives each 1 / 4 liter milk this is split into 3 son per each 5 cows & 5 liter milk how ?
Options: a ) 10 , b ) 5 , c ) 15 , d ) 7.5 , e ) 12.5
[A]:
b