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: if 7 ^ k = 2 , then 7 ^ ( 4 k + 2 ) =
Options: a ) 729 , b ) 754 , c ) 784 , d ) 783 , e ) 108
[A]: c

[Q]: Problem: 1 , 3,5 , 7,9 , . . 50 find term of sequnce for this .
Options: a ) 1356 , b ) 1557 , c ) 1688 , d ) 1700 , e ) 2500
[A]: e

[Q]: Problem: a farmer has an apple orchard consisting of fuji and gala apple trees . due to high winds this year 10 % of his trees cross pollinated . the number of his trees that are pure fuji plus the cross - pollinated ones totals 170 , while 3 / 4 of all his trees are pure fuji . how many of his trees are pure gala ?
Options: a ) 30 , b ) 33 , c ) 55 , d ) 77 , e ) 88
[A]:
a