Question

simple interest on a certain sum of money for 4 years at 4% p. a. exceeds the c.i. on the same sum for 3 years at 5% p.a rs 57 fond the sum​

Answer 1

AnswerFor ,N=4yearsR=4 % We have S.I.= 100PNR = 100P×4×4 = 10016P =0.16PAnd on interest being compounded for 3 years and R=5 %, Amount=P(1+ 100R ) N =P(1+ 1005 ) 3 =P×(1.05 3 )=1.157625PSo, C.I.=A−P=1.157625P−P=0.157625PGiven, S.I.−C.I=Rs228=>0.16P−0.157625P=Rs228=>0.002375P=Rs228=>P=Rs96,000