In this task, you need to provide the correct option for a given problem from the provided options.

[Q]: Problem: teas worth rs . 126 per kg and rs . 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2 . if the mixture is worth rs 157 per kg , the price of the third variety per kg will be ? 
Options: a ) rs . 147.50 , b ) rs . 785.50 , c ) rs . 179.50 , d ) rs . 258.50 , e ) none of these
[A]: c


[Q]: Problem: find the ratio in which rice at rs . 7.20 a kg be mixed with rice at rs . 5.60 a kg to produce a mixture worth rs . 6.30 a kg 
Options: a ) 2 : 0 , b ) 2 : 3 , c ) 2 : 1 , d ) 2 : 2 , e ) 7 : 9
[A]: e


[Q]: Problem: how many of the positive factors of 24 are not factors of 26 
Options: a ) 2 , b ) 3 , c ) 4 , d ) 1 , e ) 6
[A]:
e