The selling price of an article is Tk. 39. If its cost price is numerically equal to its profit precent, then its cost price is-
Created: 2 years ago |
Updated: 1 year ago
best des
মনেকরি, ক্রয়মূল্য = x টাকা
.:. লাভ = x%
প্রশ্নমতে, x + x এর x% = 39
⇒ x + x × = 39
⇒ + 100x - 3900 = 0
⇒ + 130x - 30x - 3900 = 0
⇒ x(x + 130) - 30(x + 130) = 0
⇒ (x + 130)(x - 30) = 0
.:. x = 30 [যেহেতু, x # - 130]
.:. লাভ = x%
প্রশ্নমতে, x + x এর x% = 39
⇒ x + x × = 39
⇒ + 100x - 3900 = 0
⇒ + 130x - 30x - 3900 = 0
⇒ x(x + 130) - 30(x + 130) = 0
⇒ (x + 130)(x - 30) = 0
.:. x = 30 [যেহেতু, x # - 130]
Md Azizur Rahman
Founder of Satt
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