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  1. If the cost of an article is Rs. P after two successive reductions of 20% and 25%, the original price of the article was
    1. Rs.
      5P
      3
    2. Rs.
      4P
      5
    3. Rs.
      3P
      5
    4. Rs.
      5P
      4
Correct Option: A

Let us assume the price of article = Rs. A
According to the question,

P =
A x (100 − 20)
×
100 − 25
100100

⇒ P = A ×
80
×
75
100100

⇒ P = A ×
4
×
3
=
3A
545

⇒  A = Rs.
5
P
3



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