All Questions
Tagged with finance arithmetic
52
questions
1
vote
1
answer
5k
views
Contribution of Growth Formula
The question I am trying to answer is:
Which store contributed ($\%$) most to the "National Share of Sales Growth" $(14,14\%)$. I would like the formula to calculate the "contribution ...
- 19
0
votes
1
answer
211
views
Finding sum borrowed when two unequal annual instalments are given
A sum needs to be repaid in two annual instalments of $2227$ and $2023$ rs., given the rate of interest as 19%, then the problem is to find what sum was borrowed at the starting of first year.
The way ...
- 147
-2
votes
1
answer
44
views
How get the cost price? [closed]
I have the following spreadsheet:
For column B, the formula is simple: B1 + (B1 * A2)
The question is: how to get the numbers in column C?
I manually typed all values on column C but the idea is if I ...
- 105
2
votes
1
answer
59
views
Is there a math formula to calculate the following math problem? (Days of spending based on income)
I would like to learn how to calculate the following in the most efficient way possible. I guess there is a math function existing that could do that. Right now i am using google sheet functions, but ...
- 23
2
votes
2
answers
903
views
Explain the mechanism behind the "1" in the Present value calculation of money
Explain the mechanism behind the "1" in the Present value calculation of money.
The formula is PV=A/(1+DISCOUNT RATE)^NO.OF YEARS.It would be helpful if someone could explain the 1,and if ...
- 29
2
votes
1
answer
87
views
Compound interest and simple interest
If the compound interest on a certain sum for $2$ years is Rs. $21$. What could be the
simple interest?
A. Rs. $18$
B. Rs. $24$
C. Rs. $20$
D. Rs. $27$
My approach:
interest after first year= pr/100
...
- 139
-1
votes
1
answer
78
views
FE-Exam practice: "How many years until you're a millionaire?" [closed]
One of the early questions in the NCEES FE Industrial/Systems Exam study guide has a solution that I can't decipher. The question is as follows:
Bob wants to be a millionaire. To achieve this goal, ...
1
vote
1
answer
1k
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Calculating interest rate from Loan Amount, Loan Term and Monthly Payment
I am trying to find the equation that the below website uses to calculate interest rate.
https://www.calculator.net/interest-rate-calculator.html?cloanamount=15000&cloanterm=3&cmonthlypay=475....
- 13
1
vote
1
answer
490
views
Compound interest formula $A= \frac{p((1+\frac rn)^{nt}-1)}{\frac rn} $
I am doing an MBA assignment and I have given this formula
$$A=\frac{p((1+\frac rn)^{nt}-1)}{\frac rn} $$
Is this formula correct? I have usually seen $A=p(1+\frac rn)^{nt}$
The specific problem is
&...
- 135
2
votes
3
answers
92
views
How does exercise price affect derivative formula?
I was doing exercise on page $29$ of the book "The Mathematics of Finance: Modeling and Hedging Book by Joseph Gail Stampfli and Victor Goodman". The first exercise is quite easy to solve. ...
- 3,909
1
vote
2
answers
483
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Compound Interest and Weighted Averages application
Question: Bob invests a certain sum of money in a scheme with a return of 22% p.a . After one year, he withdraws the entire amount (including the interest earned) and invests it in a new scheme with ...
- 419
2
votes
2
answers
39
views
Interest rate brackets - calculating final rate depending on amount borrowed
I'm looking at a way that I can solve the following issue.
If I borrow £1000 from a lender, and the interest rates we're different dependent on the value. How could I work out the total interest ...
- 135
2
votes
1
answer
26
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How do I calculate the sale price when a % downpayment was made if I have the loan information?
The Question
Anna buys a car by paying 10% down and by financing the balance with a loan at 15%/a, compounded monthly, to amortize the loan by making monthly payments of $225 each month for 3 years. ...
user638239
0
votes
1
answer
71
views
Computing the present value, compounded monthly
This is a problem from Ross's Elementary Mathematical Finance book:
A five-year $\$10,000$ bond with a $10\%$ coupon rate costs $\$10,000$
and pays its holder $\$500$ every six months for five ...
user651921
0
votes
1
answer
39
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Find the net rate of interest
A building that costs USD 7,500, rents for USD 62.50 a month. If insurance and repairs amount to $1 \%$ each year, what is the net rate of interest earned on the investment?
Method One: I assumed ...
- 1,398