Question

Rahul bought a sweater and saved Rs. 120 when a
discount of 25% 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 \frac{100}{25}

25

100

Rs 25 is saved when the amount is Rs \frac{100}{25}

25

100

× 20

= Rs 80

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