Draw a map of your school playground. Mark all necessary places like 2 library, Playground, Medical Room, Classrooms, Assembly area, etc.

Place the following statements in a proper order to form a meaningful paragraph. (a) Which in turn decreases the seepage of rain water into the ground. (b) This decreases the open areas like park, and playgrounds. (c) Increasing population create demand for construction of houses, shops, offices, roads and pavements. (d) This results in depletion of water table and creates scarcity of more water.

Students of Grade 9, planned to plant saplings along straight lines, parallel to each other to one side of the playground ensuring that they had enough play area. Let us assume that they planted one of the rows of the saplings along the line y=x-4 . Let L be the set of all lines which are parallel on the ground and R be a relation on L. Answer the following using the above information. Let relation R be defined by R={L1,L2):L1||L2 where L_(1),L_(2) in L} then R is ______ relation

Students of Grade 9, planned to plant saplings along straight lines, parallel to each other to one side of the playground ensuring that they had enough play area. Let us assume that they planted one of the rows of the saplings along the line y=x-4 . Let L be the set of all lines which are parallel on the ground and R be a relation on L. Answer the following using the above information. Let R={L1,L2):L1_|_L2 where L1,L2 in L} which of the followng is true?

Students of Grade 9, planned to plant saplings along straight lines, parallel to each other to one side of the playground ensuring that they had enough play area. Let us assume that they planted one of the rows of the saplings along the line y=x-4 . Let L be the set of all lines which are parallel on the ground and R be a relation on L. Answer the following using the above information. Let R={(L_(1),L_(2)):L_(1) is parallel to L_(2) and L_(1):y=x-4} then which of the following can be taken as L_(2) ?