In a certain class 40% of the students are girls, and 20% of the girls wear glasses. What percent of students in the class are girls who wear glasses.

Created: 6 years ago | Updated: 2 years ago

Updated: 2 years ago

20%

none of these

Shahjalal Islami Bank Ltd Shahjalal Islami Bank Ltd - Senior Trainee Officer - 26.10.2007 গণিত শতকরা (Percentage)

Explanation

583

Best Ans:

Let the total number of students in a class = 100

40% of students are girls.

Number of girls in a class =

20% of the girls wear glasses.

Number of girls wear glasses =

Percentage of the children in the class are girls who wear glasses = = 8%

ans: 8%

6 years ago

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Md Azizur Rahman

FOUNDER OF SATT

শতকরা (Percentage)