A

Ankit Singh • 6.54K Points
Tutor III Math

Q. if the price of a book is first decreased by 25% and then increased by 20%, then the net change in the price will be

  • (A) 10
  • (B) 20
  • (C) 30
  • (D) 40
  • Correct Answer - Option(A)
  • Views: 353
  • Filed under category Math
Explanation by: Ankit Singh
Let the original price be Rs. 100.
New final price = 120 % of (75 % of Rs. 100) = Rs. [(120/100) * (75/100) * 100] = Rs. 90.
Decrease = 10%

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