Logical puzzles
| 21) |
Answer: E Explanation: In each row, the left hand grid is symmetrical around a vertical axis, the central grid is symmetrical about a horizontal axis, and the right hand grid is symmetrical about a diagonal axis, running bottom left to top right. |
| 22) |
Answer: A |
| 23) |
Answer: Y Explanation: Start in the top left hand corner and move anti clockwise around the perimeter of the square. Letters are written in alphabetical order, skipping 1 letter, then 2 letters, then 3 etc. |
| 24) |
Answer: G Explanation: Convert each letter to its numerical value, and read each pair of values as 2 digit numbers. In each row, the number in the centre equals the difference between the 2 digit values on the left and right. |
| 25) |
Answer: B Explanation: In each row of the diagram, the reverse alphabetical value of the central letter equals the sum of the left and right hand digits. |
