12 :- Rakesh and Suresh are sharing profits in the ratio of 4 : 3. Zaheer joins and the new ratio among Rakesh, Suresh and Zaheer is 7 : 4 : 3.
Determine the sacrificing ratio.

Solution:- Calculation of Sacrificing ratio of Rakesh and Suresh
Old share – new share
Rakesh = 4/7 – 7/14 = 1/14 (sacrifice)
Suresh = 3/7 – 4/14 = 2/14 (sacrifice)

Thus, sacrificing ratio of Rakesh and Suresh is 1:2