X and Y entered into partnership with capitals in the ratio 4 : 5. After 3 months, X withdrew 1/4th of his capital and Y withdrew 1/5th of his capital. The gain at the end of 10 months was Rs. 760. X's share in this profit is:

Rs 330

Rs 360

Rs 380

Rs 430

X : Y = [4x x 3 + (4x - 1/4 x 4x) x 7] : [5x x 3 + (5x - 1/5 x 5x) x 7 = (12x + 21x) : (15x + 28x) = 33x :43x = 33 : 43. X's share = Rs. 760 x 33/76 = Rs. 330.

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