Question
βXβ and βYβ started a business by investing Rs.
7,500 and Rs. 5,000 respectively. βxβ months later, they admitted βZβ as a partner who invested Rs. 10,000. If at the end of the year, the profit share of βXβ was Rs. 9,000 out of the total profit of Rs. 18,000, then find the value of βxβ.Solution
Let βZβ invested for βmβ months. So,
x = 12 β m Ratio of profit shares of βXβ, βYβ and βZβ
= (7500 Γ 12) : (5000 Γ 12) : (10000 Γ m) = 90 : 60 : 10m ATQ, 9000 / 18000 = 90 / (90 + 60 + 10m) 1 / 2 = 90 / (150 + 10m) 150 + 10m = 180 10m = 30 m = 3 So, x = 12 β 3 = 9
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