The average (mean) of the numbers 6, 8, 10, 12 is

1. 8

2. 9

3. 10

4. 11

Which of the following is not a type of data representation?

1. Bar graph

2. Pictograph

3. Line plot

4. Addition chart

Write the first 6 multiples of 7. Which of them is also a multiple of 14?

State whether the following sets are finite or infinite:

(a) Set of all whole numbers

(b) Set of odd numbers between 3 and 15

(c) Set of months in a year