Ina class of 50 students 40 are girls The average marks of the wholeclass are 64 4 and the average o...........

Quantitative Aptitude (CGL) Average

Ina class of 50 students, 40% are girls. The average marks of the wholeclass are 64.4 and the average of the boys’ marks is 62.

Whatis the average marksof the girls?

This questions was previously asked in

SSC CGL 13 June 2019 Shift-2

View All ssc Previous Year Papers

66.8

66.4

छोटे Courses बड़े Results

Master Average

Prepare through Micro-courses

Try Now

Explanation:

Number of girls = 40% of 50 = 20
Number of boys = 30
Total marks of girls = $64.4\times 50-62\times 30$ = 3220 - 1860 = 1360
Average marks for girls = $_{20}^{1360}$ = 68
So , the answer would be option d)68.

Report error

Submit Error

Let's Discuss

Post Comment

Explore
Micro
Courses

Free
Video
Courses

Free
Test
Series

Free
PDF
Documents

Back to Main Page

Ina class of 50 students 40 are girls The average marks of the wholeclass are 64 4 and the average o...........

Try Now

Explanation:

Let's Discuss

Try Now

Search on abhipedia