Multiple choice

A money lender finds that due to fall in the annual rate of interest from 8% to 7 (3/4)% of his yearly income diminishes by Rs.61.50. His capital is? एक साहूकार को पता चलता है की वार्षिक ब्याज की दर 8% से 7 (3/4)% वार्षिक रह जाने से उसकी वार्षिक आय में रु 61.50 की कमी आ जाती है उसकी पूंजी है|

  1. 22400

  2. 23800

  3. 24600

  4. 26000
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let the capital be P. Annual income at 8% = 0.08P. Annual income at 7.75% = 0.0775P. The difference is Rs. 61.50. Equation: 0.08P - 0.0775P = 61.50. This gives 0.0025P = 61.50, so P = 61.50/0.0025 = 24600. The capital is Rs. 24600. Note: 7(3/4)% = 7.75% = 0.0775.

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