CAT (QA) PYQs

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

Amala, Bina, and Gouri invest money in the ratio $3: 4: 5$ in fixed deposits having respective annual interest rates in the ratio $6: 5:4$. What is their total interest income (in Rs) after a year, if Bina's interest income exceeds Amala's by Rs $250$?

Anil invests some money at a fixed rate of interest, compounded annually. If the interests accrued during the second and third year are $₹ 806.25$ and $₹ 866.72,$ respectively, the interest accrued, in INR, during the fourth year is nearest to