Detailed Instructions: In this task, you need to provide the correct option for a given problem from the provided options.
Q: Problem: find the first term and the common ratio of a g . p whose fourth term is 250 and seventh term is 31,250
Options: a ) 2 / 5,25 , b ) 4,5 / 2 , c ) 1,16 , d ) 2,5 , e ) 1,5
A:
d