5
Q:

Rs 1000 is being  charged at 50% per annum. what is the interest for 3rd year at compound interest?

A) 1122 B) 1025
C) 1125 D) 625

Answer:   C) 1125

Explanation:

Total amount for two years = \inline 1000(1.5)^2=2250

Now , interest for third year = \inline \frac{2250\times 50\times 1}{100}=1125

Q:

A certain sum is to be divided between A and B so that after 5 years the amount received by A is equal to the amount received by B after 7 years. The rate of interest is 10%, interest compounded annually. Find the ratio of amounts invested by them.

please solve this

Answer

Let the sum(principal) received by A and B are x and y.


(1+r) =  =


Then,  =


Hence, the ratio in which the sum is divided =121:100

Report Error

View answer Workspace Report Error Discuss

20 701
Q:

A sum is being lent at 20 % per annum compound interest.what is the ratio of increase in amount of 4th year to 5th year?

A) 4:5 B) 5:4
C) 5:6 D) can't be determined
 
Answer & Explanation Answer: C) 5:6

Explanation:

\inline \frac{p\left ( 1+\frac{r}{100} \right )^4}{p\left ( 1+\frac{r}{100} \right )^5}=\frac{1}{\left ( 1+\frac{r}{100} \right )}

                    = \inline \frac{100}{100+r}=\frac{100}{120}  = \inline \frac{5}{6}

Report Error

View Answer Workspace Report Error Discuss

21 817
Q:

Reena took a loan of Rs. 1200 with simple interest for as many years as the rate of interest. If she paid Rs. 432 as interest at the end of the loan period, what was the rate of interest?

A) 3.6 B) 6
C) 18 D) Cannot be determined
 
Answer & Explanation Answer: B) 6

Explanation:

Explanation:

Let rate = R% and time = R years.

Then, 

Report Error

View Answer Workspace Report Error Discuss

7 3655
Q:

What is the SI on Rs.2500/- at the rate of 12% per annum for 8 years?

A) 2200 B) 2300
C) 2400 D) 2500
 
Answer & Explanation Answer: C) 2400

Explanation:

S.I=PNR/100

Report Error

View Answer Workspace Report Error Discuss

9 800
Q:

Payments of $2000 and $1000 were originally scheduled to be paid one year and five years, respectively, from today. They are to be replaced by a $1500 payment due four years from today, and another payment due two years from today. The replacement stream must be economically equivalent to the scheduled stream. What is the unknown payment, if money can earn 7% compounded semiannually?

A) 1548 B) 1348
C) 1648 D) 1748
 
Answer & Explanation Answer: C) 1648

Explanation:

FV1 = Future value of $2000, 1 year later
= PV (1+  i)^n

Report Error

View Answer Workspace Report Error Discuss

1 679