Question

3. In a quiz, positive marks are given for correct answers and negative m
given for incorrect answers. If Rohit's scores in five successive rounds we
-7, 12 and 8, what was his total at the end?
4. Ruchi deposited * 4370 in her account on Monday and then withdrew
Tuesday. Next day she deposited 3 1550. What was her balance on Thu
5. Evaluate the following:
(1) -13) – 19
(ii) 13 – 5 – 1-9 (iii) 135 - 211 – 18 – 31
6. Arrange the following integers in ascending order:
-39, 35, -102, 0, -51, -5, -6,7
7. Arrange the following integers in descending order:
-31, 139, -203, -97, 0, 4208
8. State whether each of the following statement is true or false;
(i) 0 is the successor of -1 in integers
(ii) 0 has no predecessor in integers
(iii) – 2 is the predecessor of -1
negative integer.​

Answer 1

Step-by-step explanation:

7) 4208,139,0,-31,-97,-203

8)Both one and three are correct

6)-102,-51,-39,-6,-5,0,7,35