A trader sells two items at the rate of Rs 400 each. If he gains 15% on one and losses 15% on other, then what is the value (in Rs) of loss ?
Selling price of each item = Rs. 400
Profit % on 1st item = 15%
=> Cost price of 1st item = $$400\times\frac{100}{(100+15)}=Rs.$$ $$347.82$$
Similarly cost price of 2nd item = $$400\times\frac{100}{(100-15)}=Rs.$$ $$470.58$$
=> Total cost price = Rs. (347.82+470.58) = Rs. 818.4
and total selling price = Rs. (400+400) = Rs. 800
$$\therefore$$ Loss = CP - SP
= Rs. (818.4 - 800) = Rs. 18.4
=> Ans - (A)
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