Question

Rohit earns the profit of 1 by selling a pen and selling a pencil he has a loss of 50 paise.One day, Rohit earns Rs.5 If he sold 25 pens,how many pencils he sold?

Answer 1

gain by selling pen = 25*1=25
loss by sellin x pencils=.5x

25-0.5x=5
0.5x=20
x=40
no of pencils =40

Answer 2

Rohit sells 40 pencils