In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Q: Problem: 49 ã — 49 ã — 49 ã — 49 x 49 = 7 ? 
Options: a ) 4 , b ) 7 , c ) 8 , d ) 10 , e ) none of these

A: d
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Q: Problem: in n is a positive integer less than 200 , and 18 n / 60 is an integer , then n has how many different positive prime factors ? 
Options: a ) 2 , b ) 3 , c ) 5 , d ) 6 , e ) 8

A: a
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Q: Problem: reeya obtained 65 , 67 , 76 , 80 and 95 out of 100 in different subjects , what will be the average 
Options: a ) 76.6 , b ) 75 , c ) 80 , d ) 85 , e ) 90

A:
a
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