A sells a cycle to B at a profit of 10% , B sells to C at a profit of 20% . If C pays Rs. 264 for it, how much did A pay for it ?

Answer: Option A

Let cost price for A = Rs. 100
SP for A = CP for B = 100 + 10% of 100 = 110
SP for B = CP for C = 110 + 20% of 110 = 132
Given,
CP for C = 264
So,
132 = 264
$$\begin{array}{rl}& 1=\frac{264}{132}\\ & 100=\frac{264\times 100}{132}=\text{Rs}\text{.}200\end{array}$$
CP for A = Rs. 200