In this task, you need to provide the correct option for a given problem from the provided options.

Q: Problem: what is the units digit of 26 ! + 50 ! + 4 ! + 4 ! ? 
Options: a ) 8 , b ) 6 , c ) 4 , d ) 2 , e ) 0

A: a
****
Q: Problem: hree number are in the ratio of 3 : 4 : 5 and their l . c . m . is 2400 . their h . c . f . is : 
Options: a ) 40 , b ) 50 , c ) 60 , d ) 70 , e ) 80

A: a
****
Q: Problem: in a family 4 people eat only vegetarian , 3 people eat only non veg . , 2 people eat both veg and non veg . . how many people are in the family ? 
Options: a ) 4 , b ) 3 , c ) 10 , d ) 2 , e ) 9

A:
e
****