Assume there are four families in a country. The average per capita income of these families is ₹ 5000. If the income of three families is ₹ 4000, ₹ 7000 and ₹ 3000 respectively, what is the income of the fourth family?
A. ₹ 7500
B. ₹ 3000
C. ₹ 2000
D. ₹ 6000
Answer:D
Assume there are four families in a country. The average per capita income of these families is ₹ 5000. If the income of three families is ₹ 4000, ₹ 7000 and ₹ 3000 respectively, what is the income of the fourth family?
A. ₹ 7500 B. ₹ 3000 C. ₹ 2000 D. ₹ 6000