70% of students in a class are girls and 70% of the girls have chosen soccer as their favourite sport. If 98 girls have chosen soccer as their favourite sport, what is the total number of students in the class?
Answer & explanation
Correct answer: option 4
Let total number of students = 100x
Number of girls = 70% of 100x = 70x
Number of Girls soccer player = 70% of 70x = 49x
According to question ,
49x = 98
x = 2
100x = 200
So , total number of students = 200