Ashifur August 8, 2023 - 16:27
Problem: চিনির মূল্য ৭৫% বৃদ্ধি পাইল ৷ এখন ইহার খরিদ বাবদ থরচ শতকরা কত কমাইলে একজন লোকের ব্যয় বৃদ্ধিপাইবে না।

View all: BANGLADESH BANK BANKERS(AB) | WRITTEN QUESTION (MATH) SOLVE | 1992

Correct Answer: 42.85%%

Explanation:

Let, Previous price = 100 TK

And Previous need = 1 Kg

Price after increasing 75% = 175 TK

Need to be reduced to keep cost same as before = x Kg

So, previous price= present price

1 x 100 = (1-x) 175

100 = 175- 175x

175x = 75

x = 0.4285 or 42.85%

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