Question

A shopkeeper earns a profit of Rs 10 by selling one long note book and incurs a loss of Rs 4 per short note book while selling short note book of her old stock.
(i) In a particular month she incurs a loss of Rs 50. In this period, she sold 55 long note book. How many short note books did she sell in this period?
(ii) In the next month she earns neither profit nor loss. If she sold 40 long note books, how many short note books did she sell?

Answer 1

Answer:

1) 150 (2) 100

Step-by-step explanation:

I) profit earned from selling 55 long note books= 550

Loss she incured for month = 550+ 50= 600

No. of short note books she sold= 600/4

= 150

2) Profit on 40 long note books= 400

ATQ,

Profit=Loss

400 profit = 400 loss

No. of short note books she sold= 400/4

=100

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