What number should replace the question mark? Each shape has a top number, a left number, a right number and a middle number: top 9, left 12, right 6 gives 63; top 19, left 15, right 5 gives 56; top 7, left 13, right 4 gives ?. Answer with a natural number.
What number should replace the question mark? Each group has two top numbers and two bottom numbers: top 6, 10 and bottom 2, 7 gives 104; top 11, 6 and bottom 3, 12 gives 69; top 17, 10 and bottom 2, 5 gives ?. Answer with a natural number.
Each line and symbol in the four outer circles is transferred to the centre circle by the rules: appearing once, it is transferred; twice, it is possibly transferred; three times, it is transferred; four times, it is not transferred. Which circle A to E should appear at the centre? Choose from the options labelled in the figure.
LATTICE : WINDOW. Which two words below have the same relationship? a) portal : gable, b) embrasure : chimney, c) mansard : roof, d) parapet : door, e) fascia : floor
What number should replace the first question mark (row 3, second column)? The grid rows are: 7 5 4 6; 5 8 10 8; 6 ? ? 7; 8 6 7 9. Answer with a natural number.