Rakesh rented out an amount to Samarth for 6 years at simple interest rate. At the end of the 6th year, Samarth paid (8)/(7) of the amount to Rakesh to clear out the amount. The rate of simple interest per annum was:
1
\(2\frac{7}{21}\%\)
2
\(2\frac{3}{20}\%\)
3
\(2\frac{1}{12}\%\)
4
\(2\frac{8}{21}\%\)