CAT 2022 Quant was dominated by Arithmetic followed by Algebra. In Arithmetic, the questions were dominated by topics like Speed-time-distance, Mixture and Alligations. This year, there was a surprise. The questions from Geometry were relatively on the lower side as compared to the previous years. There were 8 TITA Qs this year. Overall this section was at a medium level of difficulty.
Question 18 : Mr. Pinto invests one-fifth of his capital at 6%, one-third at 10% and the remaining at 1%, each rate being simple interest per annum. Then, the minimum number of years required for the cumulative interest income from these investments to equal or exceed his initial capital is
Let the capital invested by Mr.Pinto be ₹300.
₹300 because we deal with one-third, further in the question.
| Investments || Invested amount || Rate of interest || Return |
| one-fifth || 60 || 6% || ₹3.6 |
| one-third || 100 || 10% || ₹10 |
| remaining || 140 || 1% || ₹1.4 |
| Total return in a year || ₹15 |
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