Rs. 1664 is divided among Rashmi, Tara & Shweta such that the ratio of shares of Rashmi and Tara is 3.5 : 2 and that of Tara and Shweta is 4 : 5. Find Shweta's share.

520

Rashmi    :    Tara     :    Shweta

   3.5       :      2

                      4        :      5        

     7        :      4        :      5        ⇒ 16 (total)

ATQ,

⇒ 16 R = 1664

⇒  1 R = 104

Thus, Shweta's share = 5R = 5 × 104 = 520