Multiple choice

Find the total simple interest on Rs. 500 at 7% per annum, on Rs. 700 at 10% per annum, and on Rs. 1,000 at 4% per annum for 3 years.

  1. Rs. 435

  2. Rs. 500

  3. Rs. 700

  4. Rs. 1,000

  5. Na
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A Correct answer
Explanation

Simple interest = (P * R * T) / 100. SI1 = (500 * 7 * 3) / 100 = 105. SI2 = (700 * 10 * 3) / 100 = 210. SI3 = (1000 * 4 * 3) / 100 = 120. Total = 105 + 210 + 120 = 435.

AI explanation

Using the simple interest formula of Principal multiplied by Rate multiplied by Time divided by 100, the interest on Rs. 500 at 7 percent for 3 years is 105. The interest on Rs. 700 at 10 percent for 3 years is 210, and the interest on Rs. 1000 at 4 percent for 3 years is 120. Adding these together, 105 plus 210 plus 120 gives a total simple interest of Rs. 435.

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