What is the Change in His Salary? If

The salary of a worker is first increased by 10% and then it is decreased by 10%, what is the change in his salary:

  1. 1% decrease
  2. 1% increase
  3. 2% decrease
  4. 2% increase
Desire Adnan Default Asked on 4th August 2015 in Maths.
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  • 1 Answer(s)

    Answer: (1) 1 % decrease

    Explanation:-
    Let the salary of a worker is Rs.100
    The salary increased by 10 %,
    Then, the salary = 100 + 100 x 10/100
    = 100 + 10
    = Rs.110
    And the salary decreased by 10 % ,
    Then, the salary of the worker = 110 – 110  x 10/100
    = 110 – 11
    = Rs.99
    Loss = 100 – 99
    = Rs.1
    Loss % = 1 x 100/100
    = 1 %
    Hence, the answer is (1) 1 % decrease.

    Anurag Mishra Professor Answered on 4th August 2015.
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