If each of a 4 subsidiaries of corporation R has been granted a line of credit of Tk. 700,000 and each of the other 3 subsidiaries of Corporation R has been granted a line of credit of Tk. 112,000, what is the average (arithmetic mean) line of credit granted to a subsidiary of corporation R?

A merchant purchased a jacket for Tk. 60 and then determined a selling price that equal purchase price of the jacket plus a markup that was 25 percent of the selling price, Dan sale, the merchant discounted the selling price by 20 percent and sold the jacket. What was the merchant's gross profit on this sale?

A shopkeeper buys 100 mangoes at Tk. 12 each. He sells 60 mangoes at Tk. 17.40 each and r mangoes at Tk. 11.31 each. The shopkeeper makes a profit of at least 10%. Find the least possible value of x.

Factories  $4t^2+35t-9$

Lamia owns a hairdressing salon. She borrows Tk. 2,500 from a bank to make improvements to her beauty salon. She is charged 4.5% per year compound interest. She pays the money back after 3 years. Calculate the total amount Lamia must pay to the bank.

To make a pizza, the following round baking tray is completely filled with dough to a depth of d mm. The open cylinder holds 500cm of dough. Calculate the depth of the dough d mm, giving your answer correct to the nearest millimeter.

The diagram shows the cross section of a circular tunnel in the city. Calculate the shaded area.

A family has 480kg of rice for X number of weeks. If they need to use the same amount for 4 more weeks, they need to cut down their weekly assumption of rice by 4kg. What is the value of X?

if $\cos \left(A+B\right)=\frac{1}{\sqrt{2}} and \cos \left(A-B\right)=\frac{\sqrt{3}}{2}, 0^{\circ }<\left(A+B\right)\le {90}^{\circ } and A>B, find the value of A and B.$

A shopkeeper sells two shirts at the same price. He makes 10% profit on one and loses 10% the other. How much in percentage does he gain or lose?

$if a=x{y}^{p-1}, b=x{y}^{q-1}, c=x{y}^{r-1} and p+q+r=3, then prove that a^{q-r}\times b^{r-p}\times c^{p-q}=1$

Price of 3 tables and 5 chairs is Tk. 2,000. Again, price of 5 tables and 7 chairs is Tk 3,200. What is the price of 1 table and 1 chair?

solve: $\frac{1}{2x}+\frac{6}{y}=3, \frac{5}{x}+\frac{3}{y}=11$

In a survey at an airport, 55 travelers said that last year they had been to Spain, 53 to France and 79 to Germany, 18 had been to Spain and France, 17 to Spain and Germany and 25 to France and Germany, while 10 had to all three countries. How many travelers took part in the survey?

From a number of apples, a man sells half the number of existing apples plus 1 to the first customer, sells $\frac{1}{3}$ 3rd of the remaining apples plus 1 to the second customer and $\frac{1}{5}$ th of the remaining apples plus 1 to the third customer. He then finds that he has 3 apples left. How many apples did he have originally?

A train starts from station A with some passengers. At station B, 10% of the passengers get down and 100 passengers get in. At station C, 50% get down and 25 get in. At station D, 50% get down and 50 get in making the total number of passengers 200. How many passengers did board the train at station A?

A farmer sold a cow and an ox for Tk. 80,000 and got a profit of 20% on the cow and 25% on the ox. If he sells the cow and the ox for Tk. 82,000 he gets a profit of 25% on the cow and 20% on the ox. Find the individual cost price of the cow and ox.

পিতা ও পুত্রের বয়সের সমষ্টি ৫০ বছর। যখন পুত্রের বয়স পিতার বর্তমান বয়সের সমান হবে তখন তাদের বয়সের সমষ্টি হবে ১০২ বছর। পিতা ও পুত্রের বর্তমান বয়স কত?

৩০০ টাকার ৪ বছরের সরল মুনাফা ও ৪০০ টাকার ৫ বছরের সরল মুনাফা একরে ১৪৮ টাকা হলে, শতকরা মুনাফার হার কত?

যন্ত্রাংশে ৪০%, দালানে ২৫%, কাঁচামালে ১৫% এবং আসবাবপত্রে ৫% টাকা খরচ করার পর হাসানের হাতে ১,৩০৫ টাকা থাকে। তার কাছে কত টাকা ছিল?