A milk man has 20 liters of milk. If he mixes 5 liters of water, which is freely available, in 20 liters of pure milk.If the cost of pure milk is Rs.18 per liter,then the profit of the milkman, when he sells all the mixture at cost price is:

A) 20% B) 25%
C) 33.33% D) 18%

Answer:   B) 25%


when the water is freely available and all the water is sold at the price of the milk, then the water gives the profit on the cost of 20 liters of milk.

    Therefore, profit percentage = \inline \frac{5}{20}\times 100=25% %       [ profit %= \inline \frac{profit}{cost\: price}\times 100 ]


A women goes to market with Rs.500 to buy oranges.the prices of the oranges have decreased by 10% so he could buy 2kg more with the amount she had.What was the original price of the oranges ?

A) 22.77 B) 25.77
C) 27.77 D) 29.77
Answer & Explanation Answer: C) 27.77


If the price of the oranges decreases by 10%, the woman would save 10% of the money that is Rs.50 to buy the same amount as before.Now in Rs50 she can buy 2 kg more, therefore the current price of 1 kg of oranges is Rs25.Now this current price is after 10% reduction.

Therefore, the original price = 

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15 934

A retailer buys product from a shopkeeper at discount of 40% on the list price (marked price) and sells them to the customer at a discount of 25% on the list price.What is his profit percentage ?

A) 10% B) 15%
C) 20% D) 25%
Answer & Explanation Answer: D) 25%


Let the list price be Rs.100. 

Therefore,the retailer is buying the products at Rs.60 and selling it to the customer at Rs.75, earning a profit of Rs.15.

Therefore, his percentage is  = 25%

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9 668

A shopkeeper sells one-third of his goods at a profit of 10%, another one-third at a profit of 20%, and the rest at a loss of 6%.What is his overall profit percentage ?

A) 6% B) 8%
C) 10% D) 12%
Answer & Explanation Answer: B) 8%


Let the shopkeeper buy 300g for Rs.300. Now he sells 100g for Rs.110, another 100g for Rs120, and the rest 100g for Rs94. 

Therefore, the total amount he receives = Rs.110 + Rs.120 + Rs.94 = 324. 

Therefore, the shopkeeper spends Rs.300 and gets back Rs.324.

Therefore, his profit percentage =  % = 8%

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2 685

By selling an article at Rs.800, a shopkeeper makes a profit of 25%.At what price should he sell the article so as to make a loss of 25%?

A) Rs.720 B) Rs.640
C) Rs.540 D) Rs.480
Answer & Explanation Answer: D) Rs.480


SP = Rs.800 ; Profit = 25%


Now, CP = Rs.640

Loss = 25% = 25% of Rs.640 = Rs.160

Thus, SP = CP - Loss = Rs.640 - Rs.160 = Rs.480

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3 911

A Shopkeeper sells two articles at Rs.1000 each, making a profit of 20% on the first article and a loss of 20% on the second article. Find the net Profit or loss that he makes? 

A) 4% B) 5%
C) 6% D) 8%
Answer & Explanation Answer: A) 4%


SP of first article = Rs.1000

Profit = 20%


SP of Second Article = Rs.1000

Loss = 20%


So, Total SP = Rs.2000; Total CP = Rs.6250/3

As the CP is more than SP, he makes a loss.

Loss = CP - SP = (6250/3) - 2000 = Rs.(250/3)


So, Loss Percent = = 4%


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