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Mathematics
Simple and Compound Interest
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NTPC Graduate Tier 1 2025 Shift-2 📅 05 Jun, 2025

The difference between the compound interest, compounded annually and the simple interest if ₹47,100 is deposited at 9% rate of interest per annum for 2 years is:

A
382.71
B
391.21
C
381.51
D
391.81
Result Summary
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APEDIA

NTPC Graduate Tier 1
2025 • 05 Jun, 2025 • Shift-2
The difference between the compound interest, compounded annually and the simple interest if ₹47,100 is deposited at 9% rate of interest per annum for 2 years is:
Correct Answer
381.51
Standard Formula Baseline: For a rigid two-year period, the definitive mathematical variance linking Compound Interest and Simple Interest aligns to the equatio......
Ref/Book : NTPC Graduate Tier 1 2025
Ref. Subject Mathematics
Chapter -
Ref. Topic Simple and Compound Interest
Pg. No -
💡 Analysis & Explanation
Standard Formula Baseline ▼
For a rigid two-year period, the definitive mathematical variance linking Compound Interest and Simple Interest aligns to the equation Difference = P * (R/100)².
Variable Structuring ▼
Map the given financial parameters into this architecture: Principal (P) equals ₹47,100, and the baseline Rate (R) is precisely 9.
Execution Phase ▼
Plugging the data yields Difference = 47100 * (9/100)² = 47100 * (0.09) * (0.09).
Numerical Resolution ▼
Calculating the multiplier: 0.09 * 0.09 = 0.0081. Multiplying 47100 by 0.0081 generates 381.51.
Conclusion ▼
The calculated exact financial divergence over the tenure evaluates cleanly to ₹381.51.
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