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Difference between the compound interest and the simple interest accrued on an amount of Rs. 18000 in two years is Rs. 405. What was the rate of interest?
  • a)
    14% 
  • b)
    16% 
  • c)
    12.5% 
  • d)
    15% 
  • e)
    15.5%
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Difference between the compound interest and the simple interest accru...
Difference of CI and SI in 2 years = Pr2/(100)2= 405
r2= 225
r= 15%
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Most Upvoted Answer
Difference between the compound interest and the simple interest accru...
Given:
Principal amount (P) = Rs. 18000
Time (t) = 2 years
Difference between compound interest and simple interest = Rs. 405

To find: Rate of interest (R)

Formulae used:
Simple Interest = P * R * t / 100
Compound Interest = P * (1 + R/100)^t - P

Calculation:
Let the rate of interest be R%.

Simple interest for 2 years = (18000 * R * 2) / 100 = 360R

Compound interest for 2 years = 18000 * [(1 + R/100)^2 - 1]

Difference between compound interest and simple interest = Compound interest - Simple interest
405 = 18000 * [(1 + R/100)^2 - 1] - 360R

On solving the above equation, we get:
R = 15%

Therefore, the rate of interest is 15%.

Hence, option D is the correct answer.
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Difference between the compound interest and the simple interest accrued on an amount of Rs. 18000 in two years is Rs. 405. What was the rate of interest?a)14%b)16%c)12.5%d)15%e)15.5%Correct answer is option 'D'. Can you explain this answer?
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Difference between the compound interest and the simple interest accrued on an amount of Rs. 18000 in two years is Rs. 405. What was the rate of interest?a)14%b)16%c)12.5%d)15%e)15.5%Correct answer is option 'D'. Can you explain this answer? for Banking Exams 2025 is part of Banking Exams preparation. The Question and answers have been prepared according to the Banking Exams exam syllabus. Information about Difference between the compound interest and the simple interest accrued on an amount of Rs. 18000 in two years is Rs. 405. What was the rate of interest?a)14%b)16%c)12.5%d)15%e)15.5%Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Banking Exams 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Difference between the compound interest and the simple interest accrued on an amount of Rs. 18000 in two years is Rs. 405. What was the rate of interest?a)14%b)16%c)12.5%d)15%e)15.5%Correct answer is option 'D'. Can you explain this answer?.
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