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The average monthly income of person in a certain family of 5 is Rs.1000. What will be monthly average income of person in the same family if the income of one person increased by Rs.12000 per year?  

(a) Rs.1200 (b)  Rs.1600 (c)Rs.2000 (d) Rs.3400

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1 Answers

(a) Total income of the family per month = 5 × 1000 = Rs.5000 per month

Increased amount = 12000/12 = Rs.1000 per month

Now total amount of the family per month = Rs.6000

So the average income of the family per month

(after increasing) = 600/5 = 1200

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