On selling 30 pens at TK. 800. there is loss equal to the cost price of 5 pens. The cost price of a pen is -

A TK. 23
B TK. 25
C TK. 32
D TK. 52

Correct Answer: TK. 32

ধরি, 1 টি কলমের ক্রয়মূল্য x টাকা 5 টি কলমের ক্রয়মূল্য 5x টাকা 30 টি কলমের ক্রয়মূল্য 30x টাকা আবার, 30 টি কলমের ক্রয়মূল্য = 800 + 5x টাকা 5x + 800 = 30x 25x = 800 x = 800/25 x = 32
Bissoy MCQ
#গণিত #লাভ-ক্ষতি (Profit and loss) #Bima Corporation #সাধারণ বীমা কর্পোরেশন - জুনিয়র অফিসার ১২.০৭.২০১৯

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