A shopkeeper gains Rs.1 on each pen and loses 40 paisa on eachpencils – InterviewSolution

1.

A shopkeeper gains Rs.1 on each pen and loses 40 paisa on eachpencils losing Rs.5 in all. How many pencils does he sell?

Answer»

No. of pen sells=45therefore profit = 45×1=45rs.

loss on x pencil = x ×.40=0.40x rs.

a/q. = 0.40x-45rs=50.40x = 50rsx=50/0.40=125

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