Multiple choice

On what sum of money will the difference between simple interest and compound interest for 3 years at 5% per annum be equal to Rs.951.6? किस राशि पर 3 वर्षों के साधारण ब्याज और चक्रवृद्धि ब्याज में अन्तर 5 % वार्षिक ब्याज की दर से रु.951.6 है ?

  1. Rs.126100

  2. Rs.124800

  3. Rs.126000

  4. Rs.125500
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

CI - SI difference for 3 years at rate r is P × r² × (3+r)/100². Here P × 25 × (3+5)/100² = P × 200/10000 = 0.007625P. Setting 0.007625P = 951.6 gives P = 951.6/0.007625 = 124800.

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