Related Questions

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
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
In the following sentence the word principal' occurs three times "The principal (1) aim of the principal (2) of the college was to help build new roads to link the area's principal (3)schools" Indicate the use(s) in which the meaning of the word “Principal is ‘chief or main',
A Use (1)
B Use(2)
C Use (3)
D Both (1) & (3)
Tk.6000 becomes Tk.7200 in 4 years at a certain rate of simple interest. If the rate becomes 1.5 times of itself, the amount of same principal in 5 years will be- 
A Tk.8000
B Tk.8250
C Tk.9000
D Tk.9250
If a 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 8% is compound annually, then which of the following is true?
A R>S
B R=S
C R
D None
A and B stats a business jointly. A invests Tk. 16000 for 8 months and B remains in the business for 4 months. Out of the total profit, B claims 2/7 of the profit. How much money was contributed by B?
A Tk. 10500
B Tk. 12800
C Tk. 11900
D Tk. 13600
Bank X pays a simple interest of TaKa 80 on principal o taka 1,000 annually . Bank y pays a simple interest of TaKa 140 on a principal of Taka 1000 annually . What is the ratio of the interest rates of Bank x to Bank y ?
A 4:7
B 6:8
C 9:18
D 2:7
Under normal charging rate, the charging current should be
A 10% of capacity
B 20% of capacity
C 30% of capacity
D 40% of capacity
The simple interest on a sum of money is 16/25 of the principal. The number of years is equal to the rate of interest per annum. What is the rate (in percentage) of interest per annum?
A 4
B 16
C 8
D 12
A bird shooter was asked how many birds he had in the bag. He replied that there were all sparrows but six, all pigeons but six, and all ducks but six. How many birds he had in the bag in all?
A 9
B 18
C 27
D 36

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