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

Q: Problem: in a class of 38 children , 19 play tennis , 21 play squash and 10 play neither sport . ( 1 ) how many children play both sports ? 
Options: a ) 11 , b ) 12 , c ) 14 , d ) 15 , e ) 19

A: b
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Q: Problem: divide $ 2000 among b , c in the ratio 4 : 16 . how many $ that c get ? 
Options: a ) $ 1200 , b ) $ 1400 , c ) $ 1600 , d ) $ 1800 , e ) $ 2000

A: c
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Q: Problem: the duplicate ratio of 3 : 4 is ? 
Options: a ) 1 : 2 , b ) 1 : 4 , c ) 1 : 8 , d ) 9 : 16 , e ) 1 : 13

A:
d
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