Question

Sonali marks was increased by 12% in second semester and in third semester it is decreased by 12%. How much percentage of her marks increase or decrease?
1. 1.44%
2. 2.24%
3. 1.34%
4. 5.44%

Answer 1

Correct Answer - Option 1 : 1.44%

Calculation

Let the marks scored in first semi ster is x

Marks scored in second semester = 112x/100

Marks scored in third semester= (112x/100) - (0.1344x)

= 1.12x - 0.1344x

= .9856x

Percentage decrease = (0.0144x/x) × 100

= 1.44%