Question

5. A book is sold for Rs.45 at 10% discount. Find the marked

price of book is,
​

Answer 1

Answer:

Rs.50

Step-by-step explanation:

Selling Price (SP) = Rs.45

Discount = 10%

=> (100-10)% of MP = SP

=> 90% of MP = 45

=> 90/100 × MP = 45

=> MP = 45 × 10/9

=> MP = Rs.50

Answer 2

Answer:

Discount =

100

20

×450=Rs90

So, Selling price =Rs450−Rs90=Rs360