class 10 ex 6a

44:29

32:11

34:28

45:10

31:17

27:25

11:56

33:22

30:19

52:36

32:47

10:15

17:59

13:25

22:53

12:51

14:47

34:39

15:38

19:34

15:19

49:09

14:43

53:21

55:15

11:41

21:07

1:50:34

21:42

18:51

11:14

27:49

14:23

1:01:55

32:22

4:32

24:27

44:34

7:45

1:12:55

1:50:17

30:45

12:22

1:49:08

23:44

1:03:26

22:14

45:36

5:49:55

2:26:16

1:45:17

3:52

1:14:34

7:40

8:35

25:56

10:10

4:59

3:44

1:06:00