Assume there are four families in a country. The average per capita income of these families is 6000. If the income of these families is 5000, 6000 and 4000 respectively, what is the income of the fourth family? 1 a. ₹7500 b. ₹9000 c. ₹5000 d. ₹6000
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Answer:
Average = Sum of all quantities/Total number of quantites
6000=5000+6000+4000+x/4
24000=15000+x
x=24000-15000
x=9000
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I know it is a social studies question