Study the histogram and answer the question that follows:

The number of persons weighing 55 kg or more but less than 75kg is what percentage more than the number of persons weighing 80kg or more but less than 100kg (correct to one decimal place)?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 77.8%
The number of persons weighing 55 kg or more but less than 75kg = 160
The number of persons weighing 80kg or more but less than 100kg = 90
Required % = (160 - 90)/90 × 100 = 77.8%.