Q. 54.5( 24 Votes )
The pie diagram in figure 6.13 shows the proportions of different workers in a town.
Answer the following questions with its help.
(1) If the total workers is 10,000; how many of them are in the field of construction?
(2) How many workers are working in the administration?
(3) What is the percentage of workers in production?

Answer :
(1) Given: total number of workers = 10000
And central angle for number of workers in construction = 72°
And we know that,
⇒
⇒
⇒ No. of workers in construction = 2000
Thus, number of workers in the field of construction = 2000.
(2) We know that,
⇒
⇒
⇒ No. of workers in admin = 1000
Thus, number of workers working in administration = 1000
(3) First, let us find the number of workers working in production.
We know that,
⇒
⇒
⇒ No. of workers in production = 2500
In terms of percentage,
⇒
⇒ Percentage of workers in production = 25%
Thus, percentage of workers in production = 25%
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