addition 6

In the addition below all figures have been replaced by asterisks.Given that each figure is one of 1,3,7 and 9.

Also, each figure appears thrice.

    *  *  *

+  *  *  *

+  *  *  *

=   *  *  *

 Can you find the sum?

the star 2

Place the numbers from 1 to 19 in the circles of the diagram given above so that the sum of five numbers in any line is equal to 54.

the star

Place the numbers from 1 to 19 in the circles of the star diagram given above so that the sum of 5 numbers in any line is equal to 46.