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1. Study the following pie-chart and bar graph and answer the questions that follows:
Percentage-wise distribution of Teachers in 6 Districts.

Number of males in each district out of 4500 Teachers.

What is the total number of male teachers in District F, female teachers District C and female teachers in District B together?

A. 1080

B. 1120

C. 1180

D. 1020

Solution:

\begin{aligned} Total number of teachers in: \\ A → \frac{14}{100} \times 4500 = 630 \\ B → \frac{16}{100} \times 4500 = 720 \\ C → \frac{28}{100} \times 4500 = 1260 \\ D → \frac{15}{100} \times 4500 = 675 \\ E → \frac{21}{100} \times 4500 = 945 \\ F → \frac{6}{100} \times 4500 = 270 \end{aligned}

	A	B	C	D	E	F
Males	200	400	600	100	500	100
Females	430	320	660	575	445	170

Total number of male teacher in F, female teacher in C and female teacher in B
= 100 + 660 + 320
= 1080

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