By selling 25 metres of cloth a trader gains the selling price of 5 metres of cloth The gain percent...........

Quant (SSC) Profit and loss

By selling 25 metres of cloth a trader gains the selling price of 5 metres of cloth. The gain percent of the trader in % is

25%

20%

28%

29%

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Explanation:

According to the question,
SP of 25 m of cloth – CP of 25 m of cloth = SP of 5 m of cloth
∴ CP of 25 m of coth = SP of 20 m of cloth
To solve this question, we can apply a short trick approach
If the cost price of x articles is equal to the selling price of y articles, then the profit percentage = x - y/y x 100%
x is the number of articles the cost price of which is given = 25
y is the number of articles the selling price of which is given = 20
By the short-trick approach, we get
Profit percent = 25 - 20 /20 x 100 = 5/20 x 100 = 25%