A, B, C started a business with their investments in the ratio 1 : 3 : 5. After 4 months, A invested the same amount as before and B as well as C withdrew half of their investments. The ratio of their profits at the end of the year is ?
A. 4 : 3 : 5 B. 5 : 6 : 10 C. 6 : 5 : 10 D. 10 : 5 : 6 Answer: Option BShow Answer
Solution(By Apex Team)
Let their initial investments be x, 3x and 5x respectively
Then,
$\begin{aligned}&=\mathrm{A}:\mathrm{B}:\mathrm{C}\\
&=(x\times4+2x\times8):\left(3x\times4+\frac{3x}{2}\times8\right):\left(5x\times4+\frac{5x}{2}\times8\right)\\
&=20x:24x:40x\\
&=5:6:10\end{aligned}$
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