1.  What is represented by the number 7 ?
A. Married nurses in the hospital
B. Trained nurses
C. Unmarried trained nurses
D. Married trained nurses

Answer: Option A

Explanation:

As triangle represents the nurses in hospital.

And circle represents the married population.

7 is in intersecting point of circle and triangle

So, No 7 repersents mazrried nurses in the hospital.