All squares are ............

Rhombus and squares are ........................ to each other.

The mean of 100 observations is 50 and their standard deviation is 5. The sum of all squares of all the obsrervations is :

Mean and standard deviation of 100 items are 50 and 4 respectively. The sum of all squares of the items is

See the figure and find the ratio of (b) Number of squares to all the figures inside the rectangle.

Find counter - examples to disprove the following statements : A quadrilateral with all sides equal is a square.

Find counter - examples to disprove the following statements : A quadrilateral with all angles equal is a square.

If the diagonal of a square is 'a' units, what is the diagonal of the square, whose are is doubel that of the first square?

In the following APs, find the missing terms in the boxes : square, 38 square, square, square, -22

In the following APs, find the missing terms in the boxes : -4, square, square, square, square, 6