Make a pattern without numbers.

Now you try writing the letters — A, B, C in the box so that no letter comes twice in any line.

Now use numbers $1–6$ to make your own magic triangle. Rule: Numbers on each side must add up to $10$.

Complete this list of letters and numbers.

Observe the table and write the secret message using the respective numerals. 

Teenu wants to write to his friend ‘Good Morning’. What will he write as the secret message.