Question : A number is increased by 20% and then decreased by 20%. What is the net percent change in the number?
Option 1: 4% increase
Option 2: 4% decrease
Option 3: 5% increase
Option 4: 5% decrease
Answer (1)
15th Jan, 2024
Correct Answer: 4% decrease
Solution :
For successive percentage change use the following formula,
$=x+y+\frac{xy}{100}$
Given that, $x$ = 20% and $y$ = –20%
Net percent change = 20% – 20% – $\frac{20×20}{100}$ = – 4%
Hence, the correct answer is '4% decrease'.
Comments (0)
Related Questions
Know More about
Staff Selection Commission Multi Tasking ...
Application | Cutoff | Selection Process | Preparation Tips | Eligibility | Exam Pattern | Admit Card
Get Updates Brochure
Thank You!
Your Staff Selection Commission Multi Tasking Staff Exam brochure has been successfully mailed to your registered email id “”.
Upcoming Exams
Preliminary Exam
Result Date:
21 Nov, 2024
- 28 Nov, 2024
Admit Card Date:
21 Nov, 2024
- 6 Dec, 2024
Mains Exam
Exam Date:
14 Dec, 2024
- 14 Dec, 2024
Exam Date:
19 Dec, 2024
- 29 Dec, 2024
Tier II
Exam Date:
18 Jan, 2025
- 20 Jan, 2025
