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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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