Go to the site version for smartphones.
Answers to IQ test 4
All IQ Tests
IQ Test 4
Which letter should replace the question mark?
K = C × C + 2; D = A × A + 3; T = D × D + 4; I = B × B + 5. First letters: C, A, D, B. Opposite letter = (First letter multiplied by itself) + 2 (further 3, 4, 5). In terms of the alphabetic order of letters.
The best free IQ Test 2015-2018.