Simple and Compound Interest, Stock

বার্ষিক ১০% লাভে ৩০০০ টাকা এবং ৮% মুনাফায় ২০০০ টাকা বিনিয়োগ করলে মোট মূলধনের উপর গড়ে শতকরা কত টাকা হারে মুনাফা পাওয়া যাবে?

A lent Tk. 5,000 to B for 2 years and Tk. 3,000 to C for 4 years on simple interest at the same rate of interest and received Tk. 2,200 in all from both of them as interest. The rate of interest per annum is:

What is the rate of simple interest for the first 4 years if the sum of Tk. 360 becomes Tk. 540 in 9 years and the rate of interest for the last 5 years is 6%?

What is the rate of simple interest for the first 4 years if the sum of Tk. 360 becomes Tk. 540 in 9 years and the rate of interest for the last 5 years is 6%?

A sum of money amounts of Tk. 460 in 3 years and to Tk. 500 in five years. Find the rate percent per annum

If principal P becomes Q in 2 years when interest R% is compounded half-yearly. And if the same principal P becomes Q in 2 years when interest S% is compound annually, then which of the following is true ?

Compound interest on a certain sum at the rate of 12% per annum after 2 years is Tk. 1,42,464. Find the simple interest on that sum at the rate of 15% per annum for 7 years.

If the interest of Tk. H of H% in 4 years is Tk.H, Then H = ?

A sum of TK. 24,500 amounts to TK. 34,300 in 5 years at a simple interest rate. What is the rate of interest?

A man borrowed some money for 120 days. He asked the banker for the money and the banker charged Tk. 360 as interest @6% per annum. What was the amount he borrowed?

The difference in Taka between simple and compound interest at 5% annually on a sum of Tk. 5,000 after 2 years is

What is the total interest on Tk 800 at 12.5% per annum for 9 months (in taka)? 

Simple interest on a certain sum at the rate of 4.5% p.a for 4 years and 6 years differs by BDT 216. The sum is-

If the interest of Tk. M at M% in 4 years is Tk. M, then M =?

What is the total interest on Tk. 800 at 12.5% per annum for 9 months in taka?

What is the amount of equal installment, if a sum of Tk.1,428 due 2 years hence has to be completely repaid in 2 equal annual installments starting next year?

Kona deposited Tk. 505 into her savings account. If the interest rate of the account is 5% per year, how much interest will she have made after 4 years?

There is 90% increase in an amount in 9 years at simple interest. What will be the compound interest of Tk.15,000 after 4 years at the same rate? 

If a sum of taka invested amount to BDT 460 in 3 years and amounts to BDT 500 in 5 years then what is the invested sum in BDT?

How long will it take for an amount of taka 450 to yield taka 81 as interest at 4.5% per annum of simple interest?