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%

Write Reply...
You should read | Topics/Questions
A garden is 60 meter long and 20 meter wide. Inside the garden there is a 5 meter wide path around it. What is the area of the path in square meter?
The difference between two numbers is five and the difference between their squares is 65. What is the larger number?
To find out the maximum number of Tk. 10 notes, we need to let  that he was tk 90 his wallet which is less than 95 is also divisible by 5 and 10 respectively.  
A trader, while selling a book, was asking for prices that will enable him enable him to offer a 25% discount and still make a profit of 20% on cost. If the asking price for the book was Tk. 80, what was the cost of the book?
solve: x$^{2}-yx = 7, y^{2}+xy=30$
একটি শার্ট ও একটি প্যান্টের মূল্য একত্রে ৮৫০ টাকা । যদি শার্টের মূল্য ১২% এবং প্যান্টের ৫% বৃদ্ধি পায় তবে এ শার্ট ও প্যান্ট করতে মোট ৯৩৪.৫০ টাকা প্রয়োজন হয়। শার্ট ও প্যান্টের মূল্য পৃথকভাবে কত?
Arif can do a particular job in 4 days. Afzal can do the same job in 5 days. They worked together to complete the job and received a total payment of Tk. 450. How much money should Arif get?
In a two-digit number, the digit in the unit’s place is more than twice the digit in ten’s place by 1. If the digits in the unit’s place and the ten’s place are interchanged, difference between the newly formed number and the original number is less than the original number by 1. What is the original number?
The percentage profit earned by selling an article for Tk. 1,920 is equal to the percentage loss incurred by selling the same article for Tk. 1,280. At what price should the article he sold to make 25% profit?
Janaki spends 20% of her monthly salary for her son‘s education. When she will get her increment of Tk. 170 next month, she plans to spend half of that also for her son’s education. The total money she would spend then would be Tk. 645. What is his present income?
User Avatar

Articles

0

Comments

0

Rating

0

Login