Question

assume there are four families in a country the average per capita income of these families is rupees 5,000 if the income of 3 families is rupees 4000 rupees 7000 and 3000 respectively what is the income of IV family

Answer 1

According to question we have average income =5,000

So.. Now we have..

Let the income of IV family =X
THEN,

4,000 + 7,000 +3,000 +X/4 =5,000
14,000 +X/4 5,000
SO..X =5,000 - 14,000 =6,000

HOPE NOW YOU UNDERSTAND AND HELPS YOU

Answer 2

may be 6000
thinks this is right answee