The lower limit of the modal class of the following data is:

1. 10

2. 20

3. 30

4. 40

Consider the following distribution :

The sum of lower limits of the median class and the modal class is :

1. 15

2. 25

3. 30

4. 35

Find the median of the data it being given that mode = 12.3 and mean = 10.5

1. 10.6

2. 10.8

3. 11.1

4. 11.4

Find the mean of the data when it is given that mode = 50.5 and median = 45.5.

1. 43

2. 43.2

3. 43.5

4. 44