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1. Study the pie- chart carefully and answer the questions. The pie- chart represents the percentage of people involved in various occupations.
Total number of people = 20000.

The ratio of the people involved in service to that of industry is-

A. 1 : 2

B. 2 : 3

C. 3 : 4

D. 3 : 2

Solution:

\begin{aligned} = \frac{Service Sector}{Industry} \\ = \frac{20}{30} \\ = 2 : 3 \end{aligned}

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