The cost of two watches taken together is Tk. 840. If by selling one at a profit of 16% and the other at a loss of 12%, there is no loss or gain in the whole transaction, find the cost of each of the two watches.

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Satt Academy · Accepted Answer

বলা হচ্ছে যে, দুটি ঘড়ির একত্রে ক্রয়মূল্য 840 টাকা। একটি ঘড়ি 16% লাভে এবং অপরটি 12% ক্ষতিতে বিক্রয় করলে লাভ/ক্ষতি কোনটাই হয় না। প্রতিটি ঘড়ির ক্রয়মূল্য কত? Let, the cost price of one watch is x Tk. The cost price of another watch is (840-x) Tk. Selling price at 16% profit=

x+16% of x= x+16x100=116x100TK.Again, price at 12% loss = (840-x)-12% of (840-x) Tk =840-x-12840-x100TK. =840-x - 2520-3x25TK. = 2100-25x-2520+3x25TK. = 18480-22x25TK.According to the question, 116x100+18480-22x25=840 ⇒116x+73920-88x100=840 ⇒28x+73920=84,000 ⇒28x=84,000-73,920 ⇒28x=10,080 ⇒x=1008028 ∴x=360 The cost price of one watch is 360 Tk.The cost price of another watch = (840-360)= 480 Tk. ans. The cost price of one watch is 360 Tk. & another watch is 480 Tk.

The cost of two watches taken together is Tk. 840. If by selling one at a profit of 16% and the other at a loss of 12%, there is no loss or gain in the whole transaction, find the cost of each of the two watches. (profit and loss)

Question: The cost of two watches taken together is Tk. 840. If by selling one at a profit of 16% and the other at a loss of 12%, there is no loss or gain in the whole transaction, find the cost of each of the two watches. (profit and loss)

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