Question

Rahul bought a sweater and saved ₹20 when a discount of 20% was given. What was the price of the sweater before the discount? ​

Answer 1

Answer:

Let, Before Discount amount be Rs 100,

and After Discount amount is Rs 75.

So, solving by Unitary Method,

Rs 25 is saved when the amount is Rs 100,

Re 1 is saved when the amount is Rs

Rs 25 is saved when the amount is Rs

$\frac{100}{25}$

Rs 25 is saved when the account is Rs

$\frac{100}{25} \times 20$

= Rs 80 ans

Answer 2

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Let, Before Discount amount be Rs 100,

and After Discount amount is Rs 75.

So, solving by Unitary Method,

Rs 25 is saved when the amount is Rs 100,

Re 1 is saved when the amount is Rs

Rs 25 is saved when the amount is Rs

$\frac{100}{25}$

25

100

Rs 25 is saved when the account is Rs

$\frac{100}{25} \times 20$

25

100

×20

= Rs 80 ans