The difference between the selling price and cost price of an article is Rs. 210. If the profit percent is 25, then the selling price of the article is = ?

Answer: Option B

$$\begin{array}{rl}& \text{Profit}\%=25\\ & 25\%=\frac{1}{4}\\ & \text{CP}\text{SP}\\ & 45\\ & 1---210\\ & \therefore \text{SP}=210\times 5\\ & =1050\end{array}$$

---

Alternate Solution :
Let Cost price is 100x
Then Selling price is 125x
According to the question,
Selling price - Cost Price = 210
⇒ 125x - 100x = 210
⇒ x = $$\begin{array}{r}\frac{210}{25}\end{array}$$
So the Selling price → 125x
= 125 × $$\begin{array}{r}\frac{210}{25}\end{array}$$
= Rs. 1050