Each of the following pie charts gives you a different piece of information about your class. Find the fraction of the circle representing each of these information.

Gather information about various energy sources and how each one affects the environment.

On a squared paper, draw five squares of different sides. Write the following information in a tabular form. Find whether the length of a side is in direct proportion to : The perimeter of the square.

On a squared paper, draw five squares of different sides. Write the following information in a tabular form. Find whether the length of a side is in direct proportion to : The area of square.

State if each of the following statements is true or false. Give reasons for your answer In an elastic collision of two bodies, the momentum and energy of each body is conserved.

Does each of the following equation represent a circle? If so, find the centre and radius of the circle. (ii) x ^2 + y ^2 - 4x + 5 = 0

Does each of the following equation represent a circle? If so, find the centre and radius of the circle. (i) x ^2 + y ^2 + 2x + 4y - 45 = 0

Which of the following arguments are correct and which are not correct? Give reasons for your answer (i) If two coins are tossed simultaneousIy there are three possible outcomes-two heads, two tails or one of each. Therefore,for each of these outcomes,the probability is 1/3.

Draw a pie chart showing the following information. The table shows the preferred by a group of people.

Give the information about the following mineral nutrients in plants as asked against each : Sulphur : Any one amino acid in which it is present, effect of deficiency on flowering.

Does each of the following equation represent a circle? If so, find the centre and radius of the circle. (iii) 2x ^2 + y ^2 - 6x -8y - 11 = 0