1. Is zero a rational number? Justify. 2. Represent each of the following rational numbers on the number line: (10) 2/15 57 (ii) 83 23 (iii)- (iv) 1.3 (v)-2.4 6 3. Find a rational number between 3 (1)and (ii) 1.3 and 1.4 (iii) -1 and 5 11/17 (iv) - 31 and - 2/2 4 5 (v) 1½ ½ and 1/143 [2015] 3 7 4. Find three rational numbers lying between and 5 8 How many rational numbers can be determined between these two numbers? 3 5. Find four rational numbers between and 6. Find six rational numbers between 2 and 3. 3 7. Find five rational numbers between and 5