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'.

Problem: how many 3 - digit numbers are divisible by 6 in all ? 
Options: a ) 149 , b ) 150 , c ) 151 , d ) 166 , e ) none
b

Problem: the product of two numbers is 2028 and their h . c . f is 13 . the number of such pairs is : 
Options: a ) 1 , b ) 2 , c ) 3 , d ) 4 , e ) 5
b

Problem: ( 74 + 75 + 76 + 77 + . . . . . + 149 + 150 ) = ? 
Options: a ) 8624 , b ) 8634 , c ) 8654 , d ) 8644 , e ) 8677

a