The difference between simple interest from two sources on ₹2000 for 4 years is ₹80. The difference between their rates is:

Question

The difference between simple interest from two sources on ₹2000 for 4 years is ₹80. The difference between their rates is:

1. A. 1.25%
2. B. 1.75%
3. C. 2%
4. D. 1% (Correct answer)

Correct Answer

Option D — 1%

Detailed Solution & Explanation

The correct answer is 1%.

Key Points

• SI difference formula: P × Δr × t / 100 = 80. 2000 × Δr × 4 / 100 = 80 → Δr = 1%.

प्रश्न (हिन्दी में)

4 वर्षों के लिए ₹2000 पर दो स्रोतों से साधारण ब्याजों में अंतर ₹80 है। ब्याज दरों में अंतर है:

1. A. 1.25%
2. B. 1.75%
3. C. 2%
4. D. 1%