291818 Rushabh walked 3 units west. the position of Rushabh is:
+3 B −3 Solution: West direction is denoted towards left.Rushabh walked 3 units left. His positions co-ordinate on number line = -3
291819 Mark the correct aftemative of the following: The successor of -79 is:
-78 Solution: If a is an integer, then its successor is a + 1. So Successor of -79 = -79 + 1 = -(79 - 1) = -78 Hence, the correct option is (b).
291820 Mark the correct aftemative of the following: The additive inverse of 17 is:
\(-17\) Solution: If a is an integer, then its additive inverse is - a. So, additive inverse of 17 = -17 Hence, the correct option is (a).
291821 Mark against the correct answer in the following: The successor of -18 is:
-17 Solution: In succession, we move from the left to right of the number line.