Question
A vessel is completely filled with milk. If 55% of the
milk is replaced with water then only 106.2 ml of milk will be left in the vessel. What is the total amount of mixture in the vessel after replacing milk with water?Solution
Desired amount = 106.2/0.45 = 236 ml
A man bought 18 glasses for Rs.12 and sold 12 glasses for Rs 18. What is the profit percent?
If by selling an article for Rs. 480 a shopkeeper gains 20%, find its cost.
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