Nandika has a road map with a scale 1cm representing 25km. She drivers on a road for 100km. What would be her distance covered in the map?

13 A mixture of paint is prepared by mixing 1 part of Blue pigments with 5 parts of base. In the following table, find the parts of base that need to be added. 14 In the above question (13) if 1 part of a blue pigment requires 45ml of base, how much blue pigment should we mix with 900ml of base. 16 In a school, the prize money of Rs2, 00, 000 is to be divided equally amongst the top scorers. Complete the following table and find whether the prize money given to an individual scorers is directly or inversely proportional to the number of scorers? 17 Mr X is making a wheel using spokes. He wants to fix equal spokes in such a way that the angles between any pair of convective spokes are equal. Help him by completing the following table.