1st DENTON BB - BRAINTEASER
Can you find a four letter word, which, when typed in upper case, reads the same upside down?
Answer: NOON
A + B = C
C + D = E
A + C = D
B + D = F
If F = 6 and the letters A to E all are all different numbers, what numbers do they represent?
Answer: A = 1, B = 2, C = 3, D = 4, E = 7