Multiple choice

In how much time will a sum of money doubles itself at 12% per annum simple interest? कितने समय में एक धनराशि 12% वार्षिक साधारण ब्याज की दर पर स्वयं की दोगुनी हो जायेगी?

  1. 8 years 4 months/8 वर्ष 4 महीने

  2. 6 years 9 months/6 वर्ष 9 महीने

  3. 7 years 9 months/7 वर्ष 9 महीने

  4. 6 years 6 months/6 वर्ष 6 महीने
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

At 12% simple interest, money doubles when the accumulated interest equals the principal. Using SI = P×R×T/100, we set P = P×12×T/100, which gives T = 100/12 = 8.33 years = 8 years 4 months.

Keep practicing — related questions