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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