Find the constant of variation from the table given below: x, 3, 5, 7, 9 y, 12, 20, 28, 36 set up table and solve the following problems .

IF p and q are in direct variation of x, y and z in the table given below:

. Find the median of the given data: 8, 9, 12, 7, 5, 4, 18, 20, 6,3

Solve the following: 7.5-3.6-(3.9-6.3)

Suggest a universal set for the sets given below : (5,7,9) , (3,5,7) ,(1,3,9) and ( 2,4,8)

Find out the wrong difference between chordates and nonchordates from the table given below :-

In which of the following tables, a\ a n d\ b vary directly. Also, find the constant of variation if a\ a n d\ b are in direct variation. (i) a: 4, 7, 21, 28 and b:12, 21, 63, 84 (ii) a: 2.5, 5, 7.5, 10, 15 and b:10, 20, 30, 40, 60 (iii) a:1, 2, 3, 4, 5 and b:2, 1, 6, 3, 2/5

From tha table given below find whether x and y in direct proporation or not.

From the list below, form 10 pairs of co-prime numbers: 3, 5, 8, 9, 12, 15, 16, 28

Observe the table given below and find whether x and y are in direct variations or not :

Find the 12th term from the end of the following arithmetic progression: 3,5,7,9…..201