Question

Number of people who are poor, hardworking and educated is:

• A. $10$
• B. $12$
• C. $13$
• D. $14$

Answer 1

The correct option is A $10$

As per the given notation, we know that-

Hardworking persons are $=1,2,3,4,9,11$

Educated persons are $=1,2,6,7,8,9$

Poor persons are $=1,4,8,9,10,11,12$

Hence, there are $(1+9)\Rightarrow 10$ people who are hardworking, educated and poor.