1]Aniket started a business investing Rs.16000.Sanket joined him after 4 months by investing Rs.24000.What would be Sanket's share in the profit of Rs.20000 at the end of the year.
a] 1:1  b]1:2  c]1:3  d]1:4

solution
 16000*12 : 24000*8
16*12        :  8*24
1                :     1