In in a city 12% of households earn less than 30000 rupees per year, 6% households earn more than 200000 rupees per year, 22% households earn more than rupees 100000 per year and 990 households earn between 30000 rupee and 100000 rupees per year. How many households earn between rupee 100000 and rupees 200000 per year?

• Already given data is 40%(add given percentages)
  So 990 is 60%
  Therefore 40% of house holds are--660
  So no of house holds are 1650
  Ans is (6/100)*(22/100)*1650
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