Magic squares

Look at the given grid

$6$	$1$	$8$
$7$	$5$	$3$
$2$	$9$	$4$

Add the numbers in the last row. We get

Fill this magic square using all the numbers from $21$ to $29.$

Rule: The total of each side is $75.$

Study the pattern and write down the next two terms in the following series:

$.2, .3, .4, ...$

Look at the patterns of numbers in hexagons.

Each side has $2$ circles and $1$ box.

$?\times ?=70$

Fill in the numbers from $1$ to $6$ without repetition, so that each side of the triangle adds up to $12$.

In a magic square each row, column and diagonal have the same sum. Check which of the following is a magic square

In a magic square each row, column and diagonal have the same sum. Check which of the following is a magic square.

Complete the following magic square by supplying the missing numbers:

Fill this magic square using all the numbers from $46$ to $54$.

Rule: The total of each line is $150$.

Complete the magic square:

Find the rule to fill the hexagons below.

Study the pattern and write down the next two terms in the following series:

$.04, .05, .06, ...$

Study the pattern and write down the next two terms in each of the following series:

$2.1, 4.1, 6.1, ...$

Complete the magic square given below, so that the sum of the numbers in each row or in each column or along each diagonal is $15$.

Find the rule to fill the hexagons below.