average income of 50families₹3000.of these average income of 12families is ₹1800.find out the average income of the remaining families
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average income 50 families = 3000
total income = 3000 * 50 = 1,50,000
now,
average income of 12 families = 1800
so total income of 12 families = 1800 *12 =21,600
total income of remaining 38 families = 150000 - 21600 = 128400
therefore
average income of remaining 38 families = 128400/38 = 3378
total income = 3000 * 50 = 1,50,000
now,
average income of 12 families = 1800
so total income of 12 families = 1800 *12 =21,600
total income of remaining 38 families = 150000 - 21600 = 128400
therefore
average income of remaining 38 families = 128400/38 = 3378
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