Find the missing numbers.
The sum of the 3 numbers across the square is 12. The sum of the 3 numbers down the square is also 12.
- M
- N
- P
- Q
Find the columns or rows with more clues.
(a)
M = 12 - 7 - 1 = 4
(b)
N = 12 - 4 - 5 = 3
(c)
P = 12 - 3 - 6 = 3
(d)
Q = 12 - 3 - 1 = 8
Answer(s): (a) 4; (b) 3; (c) 3; (d) 8