### Solution(By Apex Team)

Let actual cost price of an article be Rs. 1 (in place of X). Now he purchases goods worth Rs. 120 and pays Rs. 80, since 20% discount is allowed. So, the CP $=\frac{80}{120}=\frac{2}{3}$ Again, MP, SP = 135 (since 25% discount) Thus, the trader sells goods worth Rs. 90 instead of 100g and charges Rs. 135. Therefore the effective SP $=\frac{135}{90}=\frac{3}{2}$ $\begin{array}{l}\text{ Profit }\%\\ =\frac{\frac{3}{2}-\frac{2}{3}}{\frac{2}{3}}\times100\\ =125\%\end{array}$

## Related Questions on Profit and Loss

A. 45 : 56
B. 45 : 51
C. 47 : 56
D. 47 : 51

A. Rs. 2600
B. Rs. 2700
C. Rs. 2800
D. Rs. 3000

### A sells an article to B at a profit of 10% B sells the article back to A at a loss of 10%. In this transaction:

A. A neither losses nor gains
B. A makes a profit of 11%
C. A makes a profit of 20%
D. B loses 20%