Observe the pie diagram given below .It shows the percentages of number of vehicles passing a signal in a town between 8 am and 10 am.

If the number of two - wheelers is 1200, find the number of all vehicles.

Answer

The total number of vehicles : `3000`.

Explanation

Let the number of all vehicles be x.
The central angle for two wheelers
` = "The number of two wheelers"/"Total number of vehicles" xx 360^(@)`
` :. 144^(@) = 1200/x xx 360^(@)`
` :. X = (1200 xx 360)/144 " " :. X = 3000`.