Question

Assume there are four families in a country. The average per capita income of these families is 4,000. If the income of three families are 4,000, 7,000 and 3,000 respectively, what is the income of the fourth family, choose from the options :-

(a) 3,000 (b) 6,000

(c) 7,000 (d) 2,000​

Answer 1

Answer:

let the 4th family income be x

so, 4000 + 7000 + 3000 + x / 4 = 4000

= 14000 + x = 16000

x = 16000 - 14000

x = 2000

so the income of 4th family = 2000rs.

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