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The following pie chart represents the percentage distribution of girls in five girls' colleges A, B, C, D and E. The total number of girls in all the
Question

The following pie chart represents the percentage distribution of girls in five girls' colleges A, B, C, D and E. The total number of girls in all the five colleges is 2,500.

What is the average number of girls in the colleges C and E ?

A.

500

B.

650

C.

700

D.

575

Correct option is D

Given: 
The total number of girls in all the five colleges  = 2,500. 
Percentage of girls in college: C = 20%
Percentage of girls in college: E = 26% 
Formula Used: 
Average =  Total number of girls in college C and E 2\frac{ \text { Total number of girls in college C and E }}{2} 
Percentage of girls =  Girls in collegetotal number of girls×100\frac{ \text{ Girls in college}}{\text{total number of girls}}\times 100 
Solution: 
Total number of  girls in C and E46100×2500=1150\frac{46}{100} \times 2500 = 1150 
Average11502=575\frac{1150}{2} = 575 

Therefore, the average of girls in college C and E = 575 .

Alternate Method: 
Direct approach;- 

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