CAT 2022 Slot 3 QA · Question 9

Nitu has an initial capital of $₹20,000$. Out of this, she invests $₹8,000$ at $5.5\%$ in bank $A,₹5,000$ at $5.6\%$ in bank $B$ and the remaining amount at $x\%$ in bank $\mathrm{C}$, each rate being simple interest per annum. Her combined annual interest income from these investments is equal to $5\%$ of the initial capital. If she had invested her entire initial capital in bank C alone, then her annual interest income, in rupees, would have been