Ashish’s salary was increased by 22% and subsequently decreased by 2

1.	Ashish’s salary was increased by 22% and subsequently decreased by 22%. How much percent does she lose/gain?1. 3.45%2. 4.84%3. 6.78%4. 7.88%
Answer» Correct Answer - Option 2 : 4.84% Given: Salary increased by 22% Salary decreased by 22% Formula used: If any value first increased by x% and later decreased by x%, then the net effect is always decrease and this loss is calculated by using the formula as follows: (x²/100)% Calculation: [(22 × 22)/100]% ⇒ 4.84% Alternative method: Let the original salary is Rs. 100 Salary increased by 22% New salary = 100 + 22% of 100 = Rs. 122 Salary decreased by 22% Salary after decrease = 122 – 22% of 122 = Rs. 95.16 Salary decrease = 100 – 95.16 = Rs. 4.84 Decrease percentage = (4.84/100) × 100 = 4.84%

Ashish’s salary was increased by 22% and subsequently decreased by 22%. How much percent does she lose/gain?1. 3.45%2. 4.84%3. 6.78%4. 7.88%

Answer» Correct Answer - Option 2 : 4.84%

Given:

Salary increased by 22%

Salary decreased by 22%

Formula used:

If any value first increased by x% and later decreased by x%, then the net effect is always decrease and this loss is calculated by using the formula as follows:

(x²/100)%

Calculation:

[(22 × 22)/100]%

⇒ 4.84%

Alternative method:

Let the original salary is Rs. 100

Salary increased by 22%

New salary = 100 + 22% of 100 = Rs. 122

Salary decreased by 22%

Salary after decrease = 122 – 22% of 122 = Rs. 95.16

Salary decrease = 100 – 95.16 = Rs. 4.84

Decrease percentage = (4.84/100) × 100 = 4.84%

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