the average money a mango earned during a month comprising 31 days was rs 110 per day.his average earning durinv first 15 days was rs 98 per day and his average earnings during the last 15 days was rs 100 per day.what were his earning on 16 day?
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Answer:Rs.440
Step-by-step explanation:
Average per day = Rs.110
Therefore for 31 days = 110*31 = 3410
15 days (first)+ 1 day + 15 days (last)= 31 days
(98*15) + 16th day + (100*15) = 3410
1470+16th day+1500=3410
16th day = 3410-1470-1500= Rs.440
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