Suppose, the monthly income of the family members is as follows respectively :
• Mother – Rs. 50,000/-
• Father – Rs. 40,000/-
• Son – Rs. 20,000/-
• Daughter – Rs. 20,000/-
The average income of the family would be:
(a) Rs. 32,000/-
(b) Rs. 30,000/-
(c) Rs. 32,500/-
(d) Rs. 33,000/-
