B PLUSTOPPER

  TOTAL HISTORY & CIVICS (BY DOLLY E. SEQUEIRA) SOLUTION OF CHAPTER 1 THE HARAPPAN CIVILISATION I.  Short Answer Questions: 1. Name two important source of information about the Harappan civilization. Answer:   Archaeological remains and Inscriptions are the major  sources of information  on the  Harappan civilization . 2.  Name one important public building of Indus Valley Civilization and its importance. Answer:   One  of the  important building  or structure of the  Indus Valley Civilisation  was 'The Great Bath'. It is  one  of the well known structure of the time and the said  civilisation . It has been traced and found in the ruins of the old settlement of Mohenjo-Daro i.e. in the present day Sindh of Pakistan. 3.  Give any two characteristic features of the Citadel. Answer:     Any two characteristic features of the Citadel are as follows: Important buildings such as the Great Bath, granary, assembly halls and workshops were built in this part of the city. The  citad

  Chapter 28 - Distance Formula Exercise Ex. 28 Question 1 Find the distance between the following pairs of points: (i) (-3, 6) and (2, -6) (ii) (-a, -b) and (a, b) (iii)   and  (iv)   and  Solution 1 (i) (-3, 6) and (2, -6) Distance between the given points   (ii) (-a, -b) and (a, b) Distance between the given points   (iii)   and  Distance between the given points   (iv)   and  Distance between the given points Question 2 Find the distance between the origin and the point: (i) (-8, 6) (ii) (-5, -12) (iii) (8, -15) Solution 2 Coordinates of origin are O (0, 0). (i) A (-8, 6) AO =    (ii) B (-5, -12) BO =    (iii) C (8, -15) CO =  Question 3 The distance between the points (3, 1) and (0, x) is 5. Find x. Solution 3 It is given that the distance between the points A (3, 1) and B (0, x) is 5. Question 4 Find the co-ordinates of points on the x-axis which are at a distance of 17 units from the point (11, -8). Solution 4 Let the coordinates of the point on x-axis be (x, 0). From the given