RAJAT-Sir lets assume principal = 1 Rs Money Double means Amount = 2 Rs so simple interest = A - P = 2-1=1 1 Rs SI = PRT/100 1 = 1 * 9 * T/100 T = 100/9 T= 11(1/9) year
Appi Thanks so much sir.... I too got the same answer as per ur method.... But I got confused as there is different options somewhere else