AP ICET 25 July 2022 Shift 2 Solved Paper

$\mathrm{A}$ and $\mathrm{B}$ enter into a partnership investing capitals in the ratio $3:4$. At the end of the three months $\mathrm{A}$ has withdrawn and $\mathrm{B}$ continued for some time. If the profits are shared in the ratio $1:4$ at the end of the business, the number of months $\mathrm{B}$ continued the business is