Team A scored - 40, 10, 0.
Total score of Team A = - 40 + 10 + 0 = - 30
Team B scored 10, 0, - 40.
Total score of Team B = 10 + 0 + (- 40) = 10 + 0 - 40 = - 30
Thus, scores of both teams are same.
Yes, we can add integers in any order due to commutative property.
Match the items given in Column I with one or more items of Column II.
Column I | Column II |
(a) A plane mirror | (i) Used as a magnifying glass. |
(b) A convex mirror | (ii) Can form image of objects spread over a large area. |
(c) A convex lens | (iii) Used by dentists to see enlarged image of teeth. |
(d) A concave mirror | (iv) The image is always inverted and magnified. |
(e) A concave lens | (v) The image is erect and of the same size as the object. |
- | (vi) The image is erect and smaller in size than the object. |