CAT 2022 Interest Question (Medium)

Question

Alex invested his savings in two parts. The simple interest earned on the first part at 15 per annum for 4 years is the same as the simple interest earned on the second part at 12 per annum for 3 years. Then, the percentage of his savings invested in the first part is

Accepted Answer

Step 1 Let the amount invested in the first part be A rupees Let the amount invested in the second part be B rupees We are told the simple interests on both parts are equal Simple interest formula is Principal multiplied by rate multiplied by time divided by 100 So A multiplied by 15 multiplied by 4

CAT 2022

Quantitative

Interest

Medium

Alex invested his savings in two parts. The simple interest earned on the first part at 15% per annum for 4 years is the same as the simple interest earned on the second part at 12% per annum for 3 years. Then, the percentage of his savings invested in the first part is

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