" What fraction of these circles have X's in them? "

What fraction of these circle have X's in them?

What fraction of these circles have Xs in them?

Point C is the center of the circle above. What fraction of the area of the circle is the area of the shaded region?

Point O is the center of the circle above. What fraction of the circumference of the circle is the length of the bolded arc?

Write natural numbers from 2 to 12. What fraction of them are prime numbers?

Half the children in a class are girls. A third of them are in the Math Club. What fraction of the total class are they?

Write all even number from 1 to 20. What fraction of them are multiples of 4?