1.

A, B and C started a business with their investments in the ratio 1:2:4. After 6 months A invested the half amount more as before and B invested twice the amount as before while C withdrew 1/4th of their investments. Find the ratio of their profits at the end of the year

Answer»

Solution :Let US ASSUME their INITIAL investments wew x, 2x and 4X respectively.
therefore ratio of their investments during the whole year` =(x xx6+(3x)/2xx6):(2xxx6+4x xx6):(4x xx6+3x xx6)`
`= 15x:36x:42x=5x:12x:14x=5:12:14`
therefore Ratio of their profits =5:12:14


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