A, B and C enter into a partnership. A invests ₹4000 for the whole year. B puts in ₹6000 at first and increases it to ₹8000 at the end of 4 months, while C puts in ₹8000 at first but withdraws ₹2000 at the end of 9 months. Find the ratio of their profits at the end of the year.
hard
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