Multiple choice

The compound interest earned by Monali on a certain amount at the end of two years at the rate of 8 p.c.p.a. was Rs. 1414.4. What was the total amount that Monali got back at the end of two years? एक निश्चित धनराशि पर दो वर्ष के अन्त में 8% वार्षिक ब्याज की दर से मोनाली को प्राप्त चक्रवृद्धि ब्याज रू. 1414.4 था। 2 वर्ष के अन्त में मोनाली को प्राप्त होने वाला कुल मिश्रधन क्या था?

  1. Rs. 8500

  2. Rs. 9414.4

  3. Rs. 8914.4

  4. Rs. 9914.4

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

Compound interest for 2 years at 8%: CI = P[(1 + 8/100)^2 - 1] = P[1.1664 - 1] = 0.1664P. Given CI = Rs. 1414.4, so P = 1414.4/0.1664 = Rs. 8500. Total amount = P + CI = 8500 + 1414.4 = Rs. 9914.4.