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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