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

Problem: a number is increased by 11 % and then reduced by 10 % . after these operations , the number : 
Options: a ) does not change , b ) decreases by 1 % , c ) increases by 1 % , d ) increases by 0.1 % , e ) none of these
b

Problem: at present , the ratio between the ages of shekhar and shobha is 4 : 3 . after 6 years , shekhar ' s age will be 26 years . find out the age of shobha at present ? 
Options: a ) 10 , b ) 12 , c ) 14 , d ) 15 , e ) 20
d

Problem: in a family 16 people eat only vegetarian , 9 people eat only non veg . , 12 people eat both veg and non veg . . how many people eat veg in the family ? 
Options: a ) 28 , b ) 26 , c ) 22 , d ) 31 , e ) 21

a