Crossfigure Puzzle # 12

A challenging puzzle in which all the clues are simple numerical expressions. You will find that for solving the puzzle logic and ingenuity are more important than mathematical skill.

Across  1 A prime number  3 A square number  5 1 down plus six  7 21 down minus nine  8 2 down minus fifty-four  9 13 down plus 196 11 Six times 3 across 13 Six times 22 across 15 10 down minus five 16 15 across plus nineteen 17 22 down plus eighty-eight 20 11 across minus 116 22 23 down minus sixty-five 24 18 down plus 945 25 5 down plus 909 27 1 across plus twenty-six 28 12 down minus 196 29 26 down minus fifty

Down  1 24 down plus four  2 21 down times three  3 27 across times two  4 29 across times three  5 Five times 21 down  6 5 across plus twenty-one 10 29 across minus five 11 6 down times nine 12 3 down times four 13 Twelve times 1 across 14 4 down times five 18 8 across plus ninety-one 19 16 across minus twenty-three 21 A square number 22 A square number 23 22 down plus twenty-two 24 A prime number 26 Two times 24 down

Solution