Shivani can do a work in 12 days. Shivam can do the same in 9 days. Both of them finish the work together and receive ₨. 315. What is the share of Shivani?

₨. 135

                    Shivani  :  Shivam

Days                 12     :      9         =   4     :      3         

Efficiency            3     :     4 

Shivani's share = \(\frac{3}{7}\) x 315 = ₨. 135