A.  Rs. 2100

B.  Rs. 2400

C.  Rs. 3600

D.  Rs. 4000

1
Correct Answer :
Rs. 4000
Explanation :

Ratio of initial investments = [ (7/2) : (4/3) : (6/5) ] = 105 : 40 : 36

Let the initial investments be 105x, 40x and 36x

=> A : B : C = [ 105x x 4 + (150/100) x 105x x 8 ] : (40x x 12) : (36x x 12)

=> 1680x : 480x : 432x = 35 : 10 : 9

=> Hence, B's share = Rs. [ 21600 x (10/54) ] = Rs. 4000


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