Multiple choice

If Rs. 640 amounts to 832 in 2 years what will Rs. 860 amount to in 4 years at the same rate of interest per annum? यदि रू 640, 2 वर्षों में रू. 832 रू हो जाता है तो उसी ब्याज की दर से रू. 860, 4 वर्षों में कितना होगा?

  1. Rs. 1325

  2. Rs. 1356

  3. Rs. 1376

  4. Rs. 1385
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

First find the rate: SI = 832 - 640 = 192, so R = (100 × 192) / (640 × 2) = 15%. For Rs. 860 for 4 years at 15%, SI = 860 × 15 × 4 / 100 = 516, so amount = 860 + 516 = 1376. The key is using simple interest formula SI = PRT/100 consistently.

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