The given histogram shows the frequency distribution of the speed of cars passing though at a particular spot on a highway . study the graph and question that follows.
The number of cars with speed between 70 km/h and 80 km/h is what percentage more than the number of the cars with speed between 50 km/h and 60km/h ? ( correct to one decimal place )
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 28.6%
The total number of cars between the speed of 70 km/ h to 80 km/h = 90
The total number of cars between the speed of 50 km/ h to 60 km/h = 70
The required ratio = = 28.6%