A, B and C enter into a partnership. They invest Rs.40,000, Rs.80,000 and Rs.1,20,000 respectively. At the end of the first year, B withdraws Rs.40,000 while at the end of the second year, C withdraws Rs.80,000. In what ratio will the profit be shared at the end of 3 years?	Choose the correct choice from the following answers.
A) 2 : 3 : 5  B) 3 : 4 : 7  C) 4 : 5 : 9  D) None of these  E) Cannot be determined
Solution   A : B: C	=(40000×36) : (80000×12+40000×24) : (120000×24+40000×12)   =144 :192 :336   = 3 : 4 : 7.   Answer 3 : 4 : 7
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A, B and C enter into a partnership. They invest Rs.40,000, Rs.80,000 and Rs.1,20,000 respectively. At the end of the first year, B withdraws Rs.40,000 while at the end of the second year, C withdraws Rs.80,000. In what ratio will the profit be shared at the end of 3 years?