Ashifur August 8, 2023 - 14:42
Problem: ১২ বর্গ ফুট একটি বর্গাকার ঘরের মেঝে ২৭ ইঞ্চি চওড়া কার্পেট দ্বারা আবৃত করতে কত গজ কার্পেট লাগবে?

View all: BANGLADESH BANK BANKERS | WRITTEN QUESTION (MATH) SOLVE | 1986

Correct Answer: উত্তরঃ ২১.৩৩ গজ কার্পেট লাগবে ।

Explanation:

১২ বর্গ ফুট বর্গাকার ঘরটির ক্ষেত্রফল = (১২ × ১২) ফুট=১৪৪ বর্গফুট

কার্পেটের প্রস্থ, ২৭ ইঞ্চি=$\frac{২৭}{১২ }$ফুট

কার্পেটের দৈর্ঘ্য=$১৪৪ \div \frac{৯}{১৪}$

=২১.৩৩ গজ

Write Reply...
You should read | Topics/Questions
The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the Speed of 12 km/hr completes one round in 8 minutes, then what is the area of the park (in sq m)?
If $\frac{x+2y}{a+3b}=\frac{y+3x}{a+4b}$ ,then prove that the $\frac{x}{x}=\frac{a+5b}{2a+5b}$
Abir can do a piece of work in 80 days. He works for 10 days and then Bashir alone finishes the rest of the work in 42 days. How much time would it take for the two of them together to complete the whole work?
An item was sold at 5% profit. If the cost was 5% less and the selling price was Tk. 5 less, then the trader would have made a profit of 10% on cost. What was the cost of the item?
70 students are studying physics, mathematics and chemistry. 40 students study mathematics. 35 study physics and 30 study chemistry, 15 students are studying all the subjects. How many students are studying exactly two of the subjects?
Kashem started working 2 years ago. His starting salary was $\frac{1}{2}$ of Selim’s salary at that time. Since then kashem and Selim have enjoyed annual raise of 5% and 10% respectively. Currently what percentage of Selim’s salary is Kashem’s salary?
The simple interest on a sum of money will be Tk. 600 after 10 years. If the principal is trebled after 5 years, what will be the total interest at the end of the tenth year?
An amount of money is invested in a saving account for two years. It increases by TR. 420 in two years after annaul compounding at the rate of 10% per year. What is the amount, in Taka, invested initially?
Mr. X, a sales person earns 5% commission on all sales between Tk. 20,000 and 40,000 and 8% on all sales exceeding Tk. 40,000 in a month. He does not earn any commission if sales in a month amount to less than Tk. 20,000. His monthly salary is Tk. 60,000; he has to pay 20% tax on – basic salary, but no tax on commission. In April, 2001, the total net income (salary + commission) of the sales person was Tk. 65,000. How much were the sales in April?
Every year Mr. Kalain saves Tk. 5,400 which is 15% of his annual income. Mr. Rahim spends Tk. 2,800 a month which is 87.5% of his monthly income. Who has more income?
User Avatar

Articles

0

Comments

0

Rating

0

Login