What was the original price of an item if a discount of 20 percent reduced the price to Rs. 100?
- Rs. 150
- Rs. 120
- Rs. 125
- None of these
Explanation
Since a 20% discount reduced the price to Rs. 100:
x - (20% of x) = 100
To find 20% of x, multiply x by 0.20:
x - 0.20x = 100
Combine like terms:
0.80x = 100
Divide by 0.80:
x = 125
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