0 votes 0 votes A certain sum of money at simple interest amounts to $\text{Rs. 1012}$ in $2^{1/2}$ years and to $\text{Rs. 1067.20}$ in $4$ years. The rate of interest per annum is : $3.5 \%$ $3.8 \%$ $4 \%$ $4.5 \%$ Quantitative Aptitude nielit2022feb-scientistc + – Lakshman Bhaiya asked Jul 21, 2022 • edited Aug 5, 2022 by Lakshman Bhaiya Lakshman Bhaiya 13.7k points 136 views answer comment Share See all 0 reply Please log in or register to add a comment.