Multiple choice

Find the sum which will earn a simple interest of Rs. 156 in 4 years at 12% per annum.

  1. Rs. 325

  2. Rs. 352

  3. Rs. 452

  4. Rs. 255
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A Correct answer
Explanation

Simple Interest (SI) = (P * R * T) / 100. Given SI = 156, R = 12, T = 4. 156 = (P * 12 * 4) / 100. 156 = 48P / 100. P = 15600 / 48 = 325.

AI explanation

Using the simple interest formula, the principal equals the simple interest multiplied by 100 and then divided by the product of the rate and time. Substituting the given values, the principal is 156 multiplied by 100 and then divided by the product of 12 and 4. The calculation simplifies to 15600 divided by 48, which results in a principal of Rs. 325.

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