The strength of a school increases and decreases every alternate year. It starts with increase by 10% and there-after the percentage of increase/decrease is the same. Which of the following is definitely true about the strength of the school in 2001 as compared to that in 1996?
Choose the correct answer:
A) Increase approximately by 2%  B) Decrease approximately by 2%  C) Increase approximately by 20%  D) Decrease approximately by 20%  E) None of these
Let the strength of school was x in 1998   ∴ strength in 2001 will be   = x110⁄100 × 90⁄100 × 110⁄100 × 90⁄100 × 110⁄100 = 1.07811 x   increment = 1.07811 x – x = 0.07811 x   ∴ % increase = 7.811 ≈ 8%   Answer None of these
<result>E</result>
The strength of a school increases and decreases every alternate year. It starts with increase by 10% and there-after the percentage of increase/decrease is the same. Which of the following is definitely true about the strength of the school in 2001 as compared to that in 1996?