The ages of ten students of a group are given below: The ages have been recorded in years and months: 8-6,9-0,8-4,9-3,7-8,8-11,8-7,9-2,7-10,8-8 What is the lowest age? What is the highest age? Determine the range?

The ages (in years) of 50 students of a class in a school are given below: Age (in years): 14 15 16 17 18 Numbers of students: 15 14 10 8 3 Find the mean age.

The ages of Sonal and Manoj are in the ratio 7: 5. Ten years hence the ratio of their ages will be 9: 7. Find their present ages

The ages of A and B are in the ratio 7:5 . Ten years hence, the ratio of their ages will be 9:7 . Find their present ages.

The ages of two persons are in the ratio 5: 7. Eighteen years ago their ages were in the ratio 8: 13. Find their present ages.

The ratio of the ages of Riti and Arya is 3:8. Eight years ago, the ratio of their ages was 1:6. Find their present ages.

If the mean of and 7 is 7, then 6 (b) 7 8 (d) 9

A researcher estimates that 10% of the children in the world are between the ages of 8 and 18 and dislike soccer, and that 50% of the children who like soccer are between the ages of 8 and 18. If 40% of the children in the world are between the ages of 8 and 18, what percentage of children in the world are under age 8 and dislike the game of soccer? (Assume all children are between the ages of 0 and 18.)

The mode of a set of observation 7, 12,8,5,6,4,9,10,8,9,7,6,5,9 is

The average value of the median of 2,8,3,7,4,6,7 and the mode of 2,9,3,4,9,6,9 is