1) 9 19 40 83 ? 345 696

2) 980 484 236 112 50 ? 3.5

3) 8 9 20 63 256 1285 ?

4) 1015 508 255 129 66.5 ? 20.876

5) 12 12 18 36 90 270 ?

Directions (6-10) : In the following pie-chart, the distribution of angle of number of students of a school is given. The table gives the information about the ratio of number of boys to girls among them. Total students studying in six different classes of the school is 1200.

6) What is the average of the number of girls studying in all six classes?

7) What is the difference between the total number of boys and the total number of girls in all six classes together?

8) In the given pairs of classes, which two classes have equal number of boys in them?

9) The difference between the number of boys and the number of girls in class V is what percentage of the difference between the number of boys and the number of girls in class VII?

10)The total number of boys in class VI is what percentage more than the total number of girls in class X?