Problema Solution
the number of boys and girls in the class are in the ratio7:5. the number of boys is 8 more than the number of girls. what is the class strength
Answer provided by our tutors
Let number of boys=7x and number of girls=5x.
So, 7x=5x+8
2x=8
x=4
So, total strength=7x+5x=12x=12*4=48