Related Questions

A sum of money placed at compound interest doubles itself in 4 years. In how many years will it amount to 8 times?
A 9 years
B 8 years
C 27 years
D 12 years
Arman wanted to have Tk. 39,200 as interest after 5 years. He has invested an amount in an account for 1 year at 8% interest rate. From the 2nd year, he invested the principal amount in another account offering 10% interest for 3 years. At the beginning of the fifth year he invested the Principal amount in another account at the rate of 11%. What was the principal amount? (assume simple interest rate)
A Tk. 50,000
B Tk. 80,000
C Tk. 70,000
D Tk. 90,000
E None of them
Kalam has invested a part of 10,000 Taka in an account that pays 6% simple interest rate each year and rest of the money in another account that pays 8% simple interest per year. If he has invested the money for 18 months and he has invested the money for 18 months and he earns a total of 1,020 Taka as interest, what is the difference in the amount of the interest earned on both the accounts?
A 40 Taka
B 60 Taka
C 100 Taka
D 120 Taka
The simple interest received on a sum of money at the end of 10 years is two times of the principle. At the same rate of interest, what would be the ratio of principal and compound interest received at the end of two years?
A 25 :11
B 20 :11
C 20 : 9
D None of these
The simple interest on a certain sum of money at 4 percent per annum for 4 years is Tk. 87.5 more than interest on the same sum for 3 years at 5 percent per annum . Find the sum of money.
A Tk. 6,700
B Tk, 7, 500
C Tk. 8,750
D Tk. 9, 500
The simple interest on a certain sum of money at 4 percent per annum for 4 years is TK. 87.5 more than interest on the same sum for 3 years at 5 percent per annum. Find the sum of money.
A TK. 6,700
B TK. 7,500
C TK. 8,750
D Tk. 9,500
The simple interest on a certain sum of money for 2 1/2 years at 12% per annum is TK. 40 less than the simple interest on the same interest on the same sum for 3 1/2 years at 10% per annum. Find the sum.
A TK. 700
B TK. 800
C TK. 900
D None of these
The simple interest on a certain sum of money at the rate of 5% p.a. for 8 years is Tk. 840. At what rate of interest the same amount of interest can be received on the same sum after 5 years?
A 6%
B 8%
C 9%
D 10%
If Marie has twice as much money as Curie has, who has three times as much money as Sunny as has, what is the ratio of the amount of money Sunny has to the amount of money Marie has ?
A 1 : 8
B 1 : 6
C 1 : 4
D 1 : 2
At what rate percent per annum of compound interest, will a sum of money become four times of itself in two years ?
A 100%
B 75%
C 50%
D 20%

Next steps