A starts a business with Rs. 4000 and B joins him after 3 months with Rs. 16000. Find the ratio of their profits at the end of year.
equivalentamountinvestedbyA=4000×12=48000equivalentamountinvestedbyB=16000×9=144000Profitwillbeinthesameratioasequivalentamountinvested=48000:144000=1:3