1.

1). 22.42%2). 38.14%3). 18.53%4). None of these

Answer»

 Effective profit percentage = –19.91 + 31.13 – [(19.91 ? 31.13)/100] = 5.02%

Let the cost PRICE for 1kg of WHEAT be RS. 1000

Selling price of 1kg of wheat = (105.02/100) ? 1000 = Rs. 1050.2

Actual cost price of wheat for 1kg( 850gm ) = Rs. 850

$({\rm{\;Profit\;percentage}} = \frac{{1050.2{\rm{\;}}-{\rm{\;}}850}}{{850}} \times 100\% = 23.55\% )$

∴ The difference between the profit or loss percentage of Radhika and the effective percentage = 23.55 – 5.02 = 18.53%



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