In this task, you need to provide the correct option for a given problem from the provided options.
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Question: Problem: in gabriel ' s sheep herd , every sheep has either fleas or lice or both . half of the sheep have lice , and 84 sheep have both pests . if 94 sheep have lice , how many sheep have only fleas ? 
Options: a ) 10 , b ) 20 , c ) 84 , d ) 94 , e ) 178

Answer: a


Question: Problem: the duplicate ratio of 6 : 4 is ? 
Options: a ) 1 : 2 , b ) 9 : 4 , c ) 1 : 8 , d ) 1 : 18 , e ) 1 : 13

Answer: b


Question: Problem: in a class of 150 students 55 speak english ; 85 speak telugu and 30 speak neither english nor telugu how many speak both english and telugu ? 
Options: a ) 10 , b ) 20 , c ) 30 , d ) 40 , e ) 50

Answer:
b