16. shobhit bought 300 litres of milk at rs. 19 per litre. he added 200 litres of water to it and sold 400 litres of this milk at rs. 20 per litre. to the rest, he added 10 litres more water and then sold it for rs. 15 per litre. if he used mineral water that costs rs.10 per litre, then the total money earned by shobhit is: a. rs. 4,000 b. rs. 4,150 c. rs. 1,800 d. rs. 1,850
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total litres of water added to the milk
= 210 l
cost per litre = 10 rs.
total cost = 2100 rs.
total litres of milk bought = 300 l
cost per litre = 19rs.
total cost = 5700 rs.
total amount spended by him = 2100 + 5700 = 7800 rs.
litres of milk sold = 400 l
cost per litre = 20 rs.
total cost = 8000 rs.
remaining milk = 100 l
litres of water added to it = 10 l
total litres = 110 l
cost per litre = 15rs.
total cost = 1650 rs.
total amount earned = 1650 + 8000
= 9650 rs.
profit amount = 9650 - 7800 = 1850 rs.
ans. option d) 1850 rs.
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