Multiple choice

When two equal amounts are deposited for 5 years and 3 years at the rate of 7% and 9% per annum, respectively, the difference of their simple interest is ₹475. Then find the deposited amount. जब दो समान राशि क्रमशः 7% और 9% प्रति वर्ष की दर से 5 वर्ष और 3 वर्ष के लिए जमा की जाती है, तो उनके साधारण ब्याज का अंतर ₹475 है। तो जमा राशि ज्ञात कीजिए।

  1. ₹5,837.5

  2. ₹5,937.5

  3. ₹5,992.5

  4. ₹6,037.5

  5. None of these इनमें से कोई नहीं

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let principal be P. SI for 5 years at 7% = P * 7 * 5/100 = 0.35P. SI for 3 years at 9% = P * 9 * 3/100 = 0.27P. Difference = 0.35P - 0.27P = 0.08P = 475. So P = 475/0.08 = 5937.5. Option B is correct.