A certain sum of money at simple interest amounted Rs.840 in 10 years at 3% per annum, find the sum? Pick:
A) 338 B) 277 C) 229 D) 646 E) 261
840 = P [1 + (10*3)/100]   P = 646   Answer:646
<result>D</result>
A certain sum of money at simple interest amounted Rs.840 in 10 years at 3% per annum, find the sum?