Two items A and B are sold at a profit of 10% and 15% respectively. If the amount of profit received is the same, then the cost price of A and B may be = ?

Answer: Option C

Profit of A = Profit of B (given)
10% A = 15% B
$$\begin{array}{rl}& \frac{\text{A}}{\text{B}}=\frac{15}{10}=\frac{3}{2}\\ & \text{A}:\text{B}=3:2\end{array}$$
Now with the help of option,
check the ratio of cost price of A and B
Option : C
3000 : 2000
3 : 2