assume there are 4 families In a country. the per capita income of these families is rupees 5000.if income of 3 families is rupees 4000,7000,3000. respectively. what is income of 4th family
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1
Nearly 5000 just like that.
chain11:
answer is 6000 but how
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3
6000 just subtract 14000 from 20000
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