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

Q: Problem: out of 250 students of a college , 160 play football , 90 play cricket and 50 neither play football nor cricket . how many students play both football and cricket ? 
Options: a ) 30 , b ) 40 , c ) 50 , d ) 60 , e ) 70

A: c
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Q: Problem: the least whole number which when subtracted from both the terms of the ratio 6 : 7 to give a ratio less than 16 : 21 , is ? 
Options: a ) 3 , b ) 4 , c ) 5 , d ) 6 , e ) 7

A: a
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Q: Problem: the compound ratio of 1 : 2 , 2 : 5 and 3 : 10 ? 
Options: a ) 1 : 2 , b ) 1 : 5 , c ) 3 : 5 , d ) 1 : 50 , e ) 3 : 50

A:
e
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