a) 2 : 3 : 3
b) 4 : 3 : 2
c) 13 : 12 : 12
d) Cannot be determined
Answer: c
Explanation: Let the initial investments of A, B and C be Rs. 5x, Rs. 6x and Rs. 8x respectively
A : B : C
[5x × 12 + (160% of 5x) × 12] : (6x × 24) : (8x × 12 + 4x × 12)
= 156x : 144x : 144x
= 13 : 12 : 12
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