Question
M and N invested Rs. 6400 and Rs. 5000, respectively,
when they first started their businesses. After a year, N increased his investment by 40% while M withdrew 25% of his original stake. After 2 years, M made a profit of Rs.5040. Determine N's profit portion.Solution
ATQ, Ratio of the profits earned by M and N = {6400 + (0.75 × 6400)}:{5000 + (1.4 × 5000)} = (6400 + 4800):(5000 + 7000) = 11200:12000 = 14:15 Therefore, profit share of 'N' = 5040 × (15/14) = Rs.5400
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