Number puzzles
| 31) |
Answer: 1,143 Explanation: Starting with the top 3 digit number, the first digit increases by 2 as you descend, from 1 to 11. The middle digit decreases by 1 each time, and the right hand digit alternates between 5 and 3. |
| 32) |
Answer: 10 Explanation: Numbers in the segments of the left hand circle equal the difference between numbers in corresponding segments of the two right hand circles. |
| 33) |
Answer : 6 Explanation: On each row, add the values of the left hand and central boxes to give the value in the right hand box. |
| 34) |
Answer : 253 Explanation: Starting at the top left, and moving through the diagram in a Z shape, double each number and add 3 to give the next number along. |
| 35) |
Answer : 1 Explanation: Reading each pair of numbers as a 2 digit number, they follow the sequence of square numbers from 6 to 9. |
