Hi Simran,
Let's look at the given terms in question
Total number of oranges sold = 80
Gain = SP of 20 oranges
Now,
Let the Selling Price (SP) of 1 orange be Rs. 1
So the Selling Price of 80 oranges will be Rs. 80
Gain is Selling Price of 20 oranges that is equal to Rs. 20
So the Cost Price (CP) will be = Rs. 80 - Rs. 20 = Rs.60
Gain % = (20 / 60) X 100 = 100 / 3
= 33 (1/3)% Ans.
Question : By selling 100 notebooks, a shopkeeper gains the selling price of 20 notebooks. What is his gain percentage?
Option 1: 62.4%
Option 2: 22.5%
Option 3: 50.4%
Option 4: 25%
Question : By selling 35 articles, a shopkeeper gains the selling price of 15 articles. Find his gain percentage.
Option 1: 88%
Option 2: 40%
Option 3: 75%
Option 4: 60%
Question : A man gains 20% by selling an article for a certain price. If he sells it at double the price, the percentage of profit will be:
Option 1: 40%
Option 2: 100%
Option 3: 120%
Option 4: 140%
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