Question
A and B invested Rs. 7200 and Rs. 9600, respectively,
in a business. B invested his money for 2 months longer than A. If A's share of the total profit of Rs. 5200 is Rs. 1950, find the duration for which B invested his money.Solution
Let A invested his money for βxβ months According to question; [7200 Γ x]/[(x + 2) Γ 9600] = 1950/(5200 β 1950) = 1950/3250 = 3/5 Or, 15x = 12x + 24 Or, 3x = 24 Or, x = 8 So, B invested his money for (8 + 2) = 10 months.
A shopkeeper bought two article A&B for a total of rupees 3500. He marked Article A 140% above its cost price and sold it after giving a discount of 20%...
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