A and B entered into partnership with capitals in the ratio 4 : After 3 months, A withdrew 1/4 of his capital and B withdrew 1/5  of his capital. The gain at the end of 10 months was Tk. A's share in this profit is:

A    Tk. 330

B    Tk. 360

C    Tk. 380

D    Tk. 430

Solution

Correct Answer: Option A

 

A : B = {4x x 3 + (4x -  ¼ x 4x) x 7}:{5x x 3 + (5x -1/5 x 5x) x 7}

= (12x + 21x) : (15x + 28x)

= 33x : 43x

= 33 : 43.

Therefore, A's share = Tk. 760 x 33 = Tk. 330.

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