Multiple choice

Akhilesh invested Rs.30000 in a bank for 2 years at 12% per annum. How much money he should invest at 15% per annum for 2 years to get same interest which he got on previous principal. अखिलेश ने एक बैंक में 12% वार्षिक ब्याज की दर से दो वर्षों के लिए 30000 रू. निवेश किए । 15% वार्षिक ब्याज की दर से दो वर्षों के लिए उसे कितनी राशि निवेश करनी चाहिए जिससे उसे उतनी ही राशि ब्याज में मिले जितनी पहले मिलती थी ।

  1. Rs. 8000

  2. Rs. 27000

  3. Rs. 24000

  4. Rs. 35000
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

First investment: Interest = P × R × T = 30000 × 0.12 × 2 = Rs. 7200. For second investment at 15% for 2 years to give same interest: P × 0.15 × 2 = 7200. Therefore P = 7200/0.30 = Rs. 24000. Option A (Rs. 8000) would give much less interest, Option B (Rs. 27000) gives more, and Option D (Rs. 35000) gives even more.

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