Rohit earns profit of ₹ 1 by selling one pen and suffers a loss of 50 paise by selling one pencil . One day Rohit earns ₹ 5 . If he sold 25 pens , how many pencils did he sell ?
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Profit earned by selling =25 pens
=25 ×1=25 Rs
pencils=0.5x
Now Total profit=Rs 5
25-0.5x=5
20= 0.5x
x=20\0.5
x= 40
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