How many diagonals does each of the following have? (i)A convex quadrilateral (ii)A regular hexagon             (iii)   A triangle

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

If the circumference of a circle is equal to the perimeter of a square then the ratio of their areas is: (a)22:7       (b)  14:11       (c)  7:22          (d)  7:11

If the circumference of a circle is equal to the perimeter of a square then the ratio of their areas is: (a)22:7       (b)  14:11       (c)  7:22          (d)  7:11

Which one of the following equations parametrically represents equation to a parametric profile ? (A)    x=3cost ;   y=4sint       (B)    x^2-2=-2cost ;   y=4cos(t^2/2)        (C)    sqrt(x)=tant ;   sqrt(y)=sect       (D)    x=sqrt(1-sint) ;   y=sin(t/2)+cos(t/2)

The number of integer values of m , for which the x-coordiante of the point of intersection of the lines 3x+4y=9 and y=mx+1 is also an integer, is (a)    2     (b)   0 (c)    4     (d)   1

Four persons are to be chosen at random from a group of 3 men, 2 women and 4 children. Find the probability of selecting: (i)1man  1woman and 2 children (ii)Exactly 2 children             (iii) 2 women

Four persons are to be chosen at random from a group of 3 men, 2 women and 4 children. Find the probability of selecting: (i)1man  1woman and 2 children (ii)Exactly 2 children             (iii) 2 women

Write the negation of the following statements and check whether the resulting statements are true,(i)         Australia is a continent.(ii)        There does not exist a quadrilateral which has all its sides equal,(iii)       Every natural number is greater than 0.(iv)       The sum of 3 and 4 is 9.

A box contains 3 blue, 2 white, and 4 red marbles. If a marble is drawn at random from the box, what is the probability that it will be(i) white?         (ii) blue?          (iii) red?

A box contains 3 blue, 2 white, and 4 red marbles. If a marble is drawn at random from the box, what is the probability that it will be(i) white?         (ii) blue?          (iii) red?