Multiple choice

On What sum does the difference between the compound interest and the simple interest for 3 years at 10% is Rs. 310? किस धनराशि पर 10% वार्षिक की दर से 3 वर्ष के साधारण ब्याज और चक्रवृद्धि ब्याज का अन्तर 310 रू. होगा?

  1. Rs. 11000

  2. Rs. 10000

  3. Rs. 15000

  4. Rs. 12000
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Difference between CI and SI for 3 years at 10% = P × (r/100)² × (3 + r/100). 310 = P × (10/100)² × 3.1. 310 = P × 0.01 × 3.1. P = 310/(0.031) = 10000.

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