In this task, you need to provide the correct option for a given problem from the provided options.
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Question: Problem: if p and q are both odd prime numbers andp < q , then how many different positive integer factors does 2 pqhave ? 
Options: a ) 3 , b ) 4 , c ) 6 , d ) 8 , e ) 12

Answer: d


Question: Problem: in a sports club with 30 members , 17 play badminton and 18 play tennis and 2 do not play either . how many members play both badminton and tennis ? 
Options: a ) 7 , b ) 8 , c ) 9 , d ) 10 , e ) 11

Answer: a


Question: Problem: a 50 kg metal bar made of alloy of tin and silver lost 5 kg of its weight in the water . 10 kg of tin loses 1.375 kg in the water ; 5 kg of silver loses 0.375 kg . what is the ratio of tin to silver in the bar ? 
Options: a ) 1 / 4 , b ) 2 / 5 , c ) 1 / 2 , d ) 3 / 5 , e ) 2 / 3

Answer:
e