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

Q: Problem: find the compound ratio of ( 2 : 3 ) , ( 5 : 11 ) and ( 11 : 2 ) is 
Options: a ) 3 : 2 , b ) 2 : 1 , c ) 1 : 2 , d ) 4 : 5 , e ) 5 : 3

A: e
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Q: Problem: in what ratio mental a at rs . 68 per kg be mixed with another metal at rs . 96 per kg so that cost of alloy ( mixture ) is rs . 82 per kg ? 
Options: a ) 5 : 8 , b ) 4 : 7 , c ) 3 : 7 , d ) 1 : 1 , e ) 9 : 8

A: d
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Q: Problem: how many of the positive factors of 85 , 105 and how many common factors are there in numbers ? 
Options: a ) 5 , b ) 4 , c ) 2 , d ) 3 , e ) 1

A:
c
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