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

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

Look at the patterns of numbers in hexagons.

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

$?\times ?=70$

Find the rule to fill the hexagons below.

Find the rule to fill the hexagons below.

Now, look at this: $48\times 13=13\times 48$

Check if it is true or not.

Change the number into a special number.

$28$

Change the number into a special number.

$132$

Check whether the given number is special number or not.

$273$

Take any number. Now multiply it by $2,3,4,......$ at every step. Also, add $3$ to it at each step. Look at the difference in the answer. Is it the same at every step?

$$\begin{gathered} 12\times 2+3=27 \\ 12\times 3+3=39 \\ 12\times 4+3=51 \\ 12\times 5+3=63 \\ 12\times \_\_+3=\_\_ \\ \_\_\times 7+3=\_\_\_ \\ \_\_\_\times \_\_\_+3=\_\_\_ \\ \_\_\_\times \_\_\_\times \_\_\_=\_\_\_ \end{gathered}$$