A, B and C enter into a partnership. They invest Rs. 70,000, 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 ?  Select.
A) 21 : 14 : 28  B) 21 : 16 : 28  C) 3 : 4 : 2  D) 21 : 14 : 18  E) 3 : 4 : 5
A : B : C = (70000 x 36) : (80000 x 12 + 40000 x 24) : (120000 x 24 + 40000 x 12)   = 252 : 192 : 336   = 21 : 16 : 28.   Answer: 21 : 16 : 28
<result>B</result>
A, B and C enter into a partnership. They invest Rs. 70,000, 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 ?