Which one of the following is not a postulate for geometry?
1) For any two points there is exactly one line that contains them.
2) For any three non-collinear points there is exactly one plane that contains them.
3) For every pair of parallel lines there is exactly one plane that contains them.
4) For every pair of points there is a unique positive number which is the distance between them.

If the length and width of a tape are 2m and 28cm respectively, then they are in the ratio of
1) 100 : 16                             2) 7 : 50
3) 50 : 7                                 4) 1 : 8

[(- 2)^(-2) ]^(-3)  is equal to
1) 64                    2)
3) - 64                  4)

Arrange the following numbers in ascending order.

The mirror image in the following case in

,

then is equal to

i)                                        ii)

iii)                                       iv)

The daily milk consumption of a family is  L.  The quantity of milk consumed by the family in the month of April 2017 is
i) 90L                          ii)

iii)                     iv) 98L