Tamil Nadu Board Solutions for Chapter: Information Processing, Exercise 2: Exercise

In the following magic triangle, arrange the numbers from $1$ to $6$, so that you get the same sum on all its sides.

Using the numbers from $1$ to $9$

Can you form a magic triangle?

How many magic triangles can be formed?

What are the sums of the sides of the magic triangle?

Arrange the odd numbers from $1$ to $17$ without repetition to get a sum of $30$ on each side of the magic triangle.

Put the numbers $1, 2, 3, 4, 5, 6, \& 7$ in the circles so that each straight line of three numbers add up to the same total.

Place the number $1$ to $12$ in the $12$ circles so that the sum of the numbers in each of the six lines of the star is $26$. Use each number from $1$ to $12$ exactly once. Find more possible ways?