Question

Assume there are four families in a country. The average per capita income of these families is Rs. 5000. If the income of three families is Rs. 4000, Rs. 7000 and Rs. 3000 respectively, what is the income of the fourth family?

• A. Rs. 7500
• B. Rs. 3000
• C. Rs. 2000
• D. Rs. 6000
• E. Rs. 9000

Answer 1

Answer: (D)

Rs. 6000

Total income of four families $=5000\ast 4=20000$

Total income of three families $=4000+7000+3000=14000$

Income of the fourth family $=20000–14000=6000$