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11 Money

Learning Objectives Scan to learn

After studying this chapter, students will be able to…
( apply unitary method to find the values of articles or items.
( calculate the profit, loss, cost price and selling price of an item.

GET READY!

Rohan went to a mall with his mother for shopping where he noticed that his mother is paying money to
the storekeeper by using her phone.

This black and white image is called
a QR (Quick Response) code. By
scanning the QR code using our phone,
we are directed to a link and one can
make the payment on the link.

Maa, how can you
pay the money just
by holding your
phone in front of
an image?

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