Question
βMβ invested Rs. 6000 in a business. βNβ joined
x months later with an investment of Rs. 5000. If at the end of the year, Nβs share in the profit is Rs. 4000 out of a total profit of Rs. 12000, find the value of x.Solution
According to the question,
(6000 Γ 12) : {5000 Γ (12 β x)} = (12000 β 4000) / 4000
Or, 72000 : {5000(12 β x)} = 8000 / 4000
Or, 72000 : {5000(12 β x)} = 2 : 1
So, 72000 Γ 1 = 2 Γ 5000(12 β x)
72000 = 10000(12 β x)
72000 = 120000 β 10000x
10000x = 120000 β 72000
10000x = 48000
x = 4.8 months
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