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 a sports club with 30 members , 17 play badminton and 17 play tennis and 2 do not play either . how many members play both badminton and tennis ? 
Options: a ) 7 , b ) 6 , c ) 9 , d ) 10 , e ) 11

Answer: b


Question: 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

Answer: c


Question: Problem: 9 log 9 ( 4 ) = ? 
Options: a ) 1 , b ) 2 , c ) 3 , d ) 4 , e ) 5

Answer:
d