if the ratio of s.i earned on certain amount on same rate is 4:5.what is the ratio of time?
Choose one:
A) 1:2	B) 6:9	C) 4:5	D) 2:3	E) not possible to calculate
s.i1/s.i2=[(p*r*t1)/100]/[(p*r*t2)/100]   4/5=t1/t2   ratio=4:5   answer 4:5
<result>C</result>
if the ratio of s.i earned on certain amount on same rate is 4:5.what is the ratio of time?