Question

25 pens were bought for ₹ 300 and sold at 25% profit . the selling price of a pen is
1)₹15
2)₹375
3)₹315
4)₹20​

Answer 1

Answer:

$\frac{100 + 25}{100} \times 300 \\ :\implies\frac{125}{1 \cancel{00}} \times 3 \cancel{00} \\ :\implies125 \times 3 \\ \blue: \green\implies \red{\underline{ \orange{\boxed{ \purple{₹375}}}}}$

Answer 2

Given:

• 25 pens were brought for 300 rupees.
• Profit = 25%

To Find:

• Selling Price of pen = ?

Solution:

Given,

• CP = 300 rupees
• Profit = 25%

${\boxed {\tt{sp = \frac{100 + profit \:percentage }{100} \times cp}}}$

According to the question —

$\implies{\tt{sp = \frac{100 + 25}{100} \times 300}} \\ \\ \implies{\tt{sp = \frac{125}{100} \times 300}} \\ \\ \implies{\tt{\purple{sp = 375 \: rupees}}}$

Hence,

• Selling Price of pen is 375 rupees.