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CI for a part year (years and months), compounded annually: interest or principal

This type of question, asked 4 times: 12 Sep 2025 S2, 13 Sep 2025 S2, 14 Sep 2025 S1, 15 Sep 2025 S3. All 4 questions below, oldest first.

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  1. Question 1

    12 Sep 2025 S2

    59
    Find the compound interest on ₹8,000 at 12%12\% per annum for 3 years 4 months, compounded annually.

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  2. Question 2

    13 Sep 2025 S2

    60
    The compound interest on a sum at 18%18\% p.a. for 1121\frac{1}{2} years, compounded yearly, is ₹2 862. Find the principal.

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  3. Question 3

    14 Sep 2025 S1

    59
    Find the compound interest on ₹10,000 at 10%10\% per annum for 2 years 6 months, compounded annually.

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  4. Question 4

    15 Sep 2025 S3

    59
    Find the compound interest on ₹7,000 at 9% p.a. for 1 year 8 months, compounded annually.

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