Following are some figures: Classify each of these figures on the basis of the following:(i) Simple curve                (ii)    Simple closed curve (iii) Polygon                         (iv)  Convex polygon (v)Concave polygon          (vi)   Not a curve   Figures

Classify they following curves as open or closed: (i)            (ii)                  (iii)             (v)                  (vi)

If 2^33 is divided by 17 , then the remainder is (1)    15        (2)    2         (3)    4         (4)    9

What is a regular polygon? State the name of a regular polygon of (i) 3 sides             (ii)  4 sides             (iii)  6 sides

If the difference between mean and m0de is 63, the difference between mean and median is 189           (b)  21          (c)  31.5          (d)  48.5

If the difference between mean and m0de is 63, the difference between mean and median is 189           (b)  21          (c)  31.5          (d)  48.5

If the difference between mean and m0de is 63, the difference between mean and median is 189           (b)  21          (c)  31.5          (d)  48.5

Find the volume in cubic decimetre of each of the cubes whose side is (i)1.5m          (ii)  75cm        (iii)  2dm 5cm

Find the volume in cubic decimetre of each of the cubes whose side is (i)1.5m          (ii)  75cm        (iii)  2dm 5cm

The mean and standard deviation of marks obtained by 50 students of a class in three subject, Mathematics, Physics and Chemistry are given below: Subject      Mathematics         Physics                Chemistry                           Mean            42                             32                          40.9 Standard       12                            15                          20 Deviation Which of the three subjects shows the highest variability in marks and which shows the lowest?

Draw rough diagrams to illustrate the following: (i) Open curve         (ii) Closed curve