Math Problem Statement
answer
Solution
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img.show()It seems that I've displayed the image, but I cannot analyze it visually. Let me attempt# Use pytesseract to extract text from the image extracted_text = pytesseract.image_toThe image contains a question about calculating the difference between compound interest for Rs. 40,000 over 2 years at 10% per annum, compounded yearly and half-yearly. Here are the options for the difference:
- Rs. 420.25
- Rs. 320.25
- Rs. 220.25
- Rs. 110.25
Let me walk you through solving this problem step by step.
Step 1: Compound Interest Formula
The formula for compound interest is:
Where:
- = Total amount after interest
- = Principal amount
- = Annual interest rate (decimal)
- = Number of times the interest is compounded per year
- = Time in years
Step 2: Calculation of Compound Interest
Case 1: Compounded Yearly
Here, , so the formula becomes:
Case 2: Compounded Half-Yearly
Here, , so the formula becomes:
[ A_{\text{half-yearly}} = 40000 \left(1 + \frac{10}{200}\right)^{4} = 40000 \times \left(1.05\right)^{4} \ Given data P = 40000 # Principal amount r = 10 / 100 # Annual interest rate (10%) t = 2 # Time in years
Compounded yearly (n = 1)
n_yearly = 1 A_yearly = P * (1 + r / n_yearly) ** (n_yearly * t)
Compounded half-yearly (n = 2)
n_half_yearly = 2 A_half_yearly = P * (1 + r / n_half_yearly) ** (n_half_yearly * t)
Calculate the compound interest in both cases
CI_yearly = A_yearly - P CI_half_yearly = A_half_yearly - P
Calculate the difference between the two
difference = CI_half_yearly - CI_yearly
A_yearly, A_half_yearly, CI_yearly, CI_half_yearly, differenceAfter performing the calculations:
- Compound Interest (Yearly): Rs. 8,400
- Compound Interest (Half-Yearly): Rs. 8,620.25
- Difference in Compound Interest: Rs. 220.25
So, the correct answer is Rs. 220.25.
Would you like further clarification on any of the steps or need assistance with another question?
Follow-up Questions:
- How would the compound interest change if the principal was Rs. 50,000 instead of Rs. 40,000?
- How does the frequency of compounding (yearly vs. half-yearly) impact the total amount after a longer period, such as 5 years?
- What is the formula for calculating simple interest, and how does it differ from compound interest?
- What would be the compound interest difference if the rate were 12% per annum instead of 10%?
- How can you calculate the amount for monthly compounding?
Tip:
The more frequently the interest is compounded, the greater the effect of compounding. This is because interest is being calculated on the accumulated interest more
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Math Problem Analysis
Mathematical Concepts
Compound Interest
Exponential Growth
Interest Compounding Frequency
Formulas
Compound Interest Formula: A = P * (1 + r/n)^(nt)
Difference Formula: Difference = CI_half_yearly - CI_yearly
Theorems
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Suitable Grade Level
Grades 10-12
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