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A person invests Rs. 1000 at 10% annual compound interest for 2 years. At the end of two years the whole amount is invested at an annual simple interest of 12% for 5 years. The total value of the investment finally is;
  • a)
    1776
  • b)
    1760
  • c)
    1920
  • d)
    1936
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A person invests Rs. 1000 at 10% annual compound interest for 2 years...
Compound interest for 1st 2 years and simple interest for the next 5 years.
Interest after 1 year = Rs 100 (10% of 1000)
Thus, prime amount after 1 year = RS 1100
Interest after 2 year = Rs 110 (10% of 1100)
Thus, prime amount = Rs 1210
Interest after 5years @12% simple interest on Rs 1210
= 1210 × 0.12 × 5 = Rs 726
Hence total value =1210+726 = RS 1936
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Most Upvoted Answer
A person invests Rs. 1000 at 10% annual compound interest for 2 years...
Given:
Principal amount (P) = Rs. 1000
Rate of compound interest (r) = 10% = 0.10
Time period for compound interest (t) = 2 years
Rate of simple interest (R) = 12% = 0.12
Time period for simple interest (T) = 5 years

Calculation:

Step 1: Calculate the compound interest:
Compound Interest (CI) = P(1 + r)^t - P
= 1000(1 + 0.10)^2 - 1000
= 1000(1.10)^2 - 1000
= 1000(1.21) - 1000
= 1210 - 1000
= 210

Step 2: Calculate the total amount after compound interest:
Total Amount after compound interest = P + CI
= 1000 + 210
= 1210

Step 3: Calculate the simple interest:
Simple Interest (SI) = PRT
= 1210 × 0.12 × 5
= 726

Step 4: Calculate the total value of the investment:
Total Value of the Investment = Total Amount after compound interest + Simple Interest
= 1210 + 726
= 1936

Hence, the correct answer is option D. The total value of the investment finally is Rs. 1936.
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A person invests Rs. 1000 at 10% annual compound interest for 2 years. At the end of two years the whole amount is invested at an annual simple interest of 12% for 5 years. The total value of the investment finally is;a)1776b)1760c)1920d)1936Correct answer is option 'D'. Can you explain this answer?
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A person invests Rs. 1000 at 10% annual compound interest for 2 years. At the end of two years the whole amount is invested at an annual simple interest of 12% for 5 years. The total value of the investment finally is;a)1776b)1760c)1920d)1936Correct answer is option 'D'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about A person invests Rs. 1000 at 10% annual compound interest for 2 years. At the end of two years the whole amount is invested at an annual simple interest of 12% for 5 years. The total value of the investment finally is;a)1776b)1760c)1920d)1936Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A person invests Rs. 1000 at 10% annual compound interest for 2 years. At the end of two years the whole amount is invested at an annual simple interest of 12% for 5 years. The total value of the investment finally is;a)1776b)1760c)1920d)1936Correct answer is option 'D'. Can you explain this answer?.
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