Question 70

The Pie chart given below presents the percentages of the number of motor cycles of different colours out of the total number of motor cycles, parked in an area. The central angles shown in the Pie chart are not as per any chosen scale.

If the total number of motor cycles parked is 2300, the number having white colour is how much less than those having the blue colour?

Solution

If the total number of motorcycles parked is 2300.

100% = 2300

1% = 23

white colour motorcycles parked = 18% = $$18\times\ 23$$ = 414

blue colour motorcycles parked = 21% = $$21\times\ 23$$ = 483

Difference = 483-414 = 69

the number having white colour is 69 less than those having the blue colour.

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