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Reet invested an amount of Rs A for 2 years at 12% compound interest and received some amount of interest. Sonali invested Rs (A + 1500) for 3 years at 8% simple interest and received same amount of interest as Reet received. Find the amount that is invested by Reet.
  • a)
    Rs 20000
  • b)
    Rs 25000
  • c)
    Rs 30000
  • d)
    Rs 27500
  • e)
    Rs 37500
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Reet invested an amount of Rs A for 2 years at 12% compound interest ...
Solution:

Let the amount invested by Reet be Rs A.

According to the question,

Reet's investment = Rs A

Rate of interest = 12%

Time period = 2 years

Simple Interest earned by Sonali = Compound Interest earned by Reet

Amount invested by Sonali = Rs (A + 1500)

Rate of interest = 8%

Time period = 3 years

Now, we will calculate the compound interest earned by Reet.

Compound Interest = P[(1 + R/100)^n - 1]

Where,

P = Principle amount

R = Rate of interest

n = Time period

Compound Interest = A[(1 + 12/100)^2 - 1]

Compound Interest = A[(28/25) - 1]

Compound Interest = A[3/25]

Compound Interest = 3A/25

Now, we will calculate the simple interest earned by Sonali.

Simple Interest = (P x R x T)/100

Where,

P = Principle amount

R = Rate of interest

T = Time period

Simple Interest = (A + 1500) x 8 x 3/100

Simple Interest = (24A + 36000)/100

Simple Interest = 6A/25 + 1440

According to the question,

Compound Interest earned by Reet = Simple Interest earned by Sonali

3A/25 = 6A/25 + 1440

3A/25 - 6A/25 = 1440

-3A/25 = 1440

A = -1440 x 25/3

A = -12000

Since the amount invested cannot be negative, we will reject this value of A.

So, the correct value of A will be the one which satisfies all the given conditions.

Let us assume that A = Rs 25000.

Compound Interest earned by Reet = 3A/25

Compound Interest earned by Reet = 3 x 25000/25

Compound Interest earned by Reet = Rs 3000

Simple Interest earned by Sonali = 6A/25 + 1440

Simple Interest earned by Sonali = 6 x 25000/25 + 1440

Simple Interest earned by Sonali = Rs 3600

Since both the interests are equal, the amount invested by Reet is Rs 25000, which is given in option B.
Free Test
Community Answer
Reet invested an amount of Rs A for 2 years at 12% compound interest ...
According to the question,
144A = 3600000
A = 25000
Amount invested by Reet = Rs 25000
Hence, the correct option is (B).
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Reet invested an amount of Rs A for 2 years at 12% compound interest and received some amount of interest. Sonali invested Rs (A + 1500) for 3 years at 8% simple interest and received same amount of interest as Reet received. Find the amount that is invested by Reet.a)Rs 20000b)Rs 25000c)Rs 30000d)Rs 27500e)Rs 37500Correct answer is option 'B'. Can you explain this answer?
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Reet invested an amount of Rs A for 2 years at 12% compound interest and received some amount of interest. Sonali invested Rs (A + 1500) for 3 years at 8% simple interest and received same amount of interest as Reet received. Find the amount that is invested by Reet.a)Rs 20000b)Rs 25000c)Rs 30000d)Rs 27500e)Rs 37500Correct answer is option 'B'. 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 Reet invested an amount of Rs A for 2 years at 12% compound interest and received some amount of interest. Sonali invested Rs (A + 1500) for 3 years at 8% simple interest and received same amount of interest as Reet received. Find the amount that is invested by Reet.a)Rs 20000b)Rs 25000c)Rs 30000d)Rs 27500e)Rs 37500Correct answer is option 'B'. 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 Reet invested an amount of Rs A for 2 years at 12% compound interest and received some amount of interest. Sonali invested Rs (A + 1500) for 3 years at 8% simple interest and received same amount of interest as Reet received. Find the amount that is invested by Reet.a)Rs 20000b)Rs 25000c)Rs 30000d)Rs 27500e)Rs 37500Correct answer is option 'B'. Can you explain this answer?.
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