COS 5. a) A shopkeeper bought a camera for Rs 800 and fixed its price 25% above the
price. He then allows 10% discount.
(i) Find the marked price of the camera.
(ii) Find the discount amount.
(iii) Find the selling price of the camera.
(iv) How much should a customer pay for it with 13% VAT?
b)​

See explanation

Explanation:

i. Find the marked price of the camera.

= RS 800 + (25% × Rs 800)

= Rs 800 + (0.25 × Rs 800)

= Rs 800 + Rs 200

= Rs 1000

(ii) Find the discount amount.

= Discount percent × Marked price

= 10% × Rs 1000

= Rs 100

(iii) Find the selling price of the camera.

= Marked price - Discount

= Rs 1000 - Rs 100

= Rs 900

(iv) How much should a customer pay for it with 13% VAT?

= Selling price + Vat

= Rs 900 + (13% × Rs 900)

= Rs 900 + (0.13 × Rs 900)

= Rs 900 + Rs 117

= Rs 1017

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