class 11 ncert

1:21:45

4:22:11

2:14:02

1:05:56

4:13:36

49:01

26:52

6:49:40

3:58:11

1:01:57

4:14:22

2:25:34

2:00:27

2:37:37

36:34

1:22:32

1:39:21

1:16:37

3:27:37

36:11

10:21

47:05

1:21:46

1:28:31

2:10:55

53:26

2:42:06

1:13:14

4:03:15

3:00:24

5:10:20

3:22:47

22:51

1:36:58

19:29

11:55:00

25:08

2:41:58

9:58

21:43

22:39

21:59

35:00

13:24

4:31:46

1:16:44

8:48

1:39:20

1:37:14

2:22

1:49:18

3:29:22

43:40

2:21:25

1:35:38

55:40

15:05:23

21:09

47:14

1:20:32