IQ Puzzles 27
Answer of previous Puzzle 1:
M
Letters descend in reverse alphabetical order in intervals of 7 then 6, 5, 4 and 3.
Answer of previous Puzzle 2:
21
In each circle, starting top left and moving clockwise, multiply the first number by 3 and sub-tract 3 to give the next value.
Answer of previous Puzzle 3:
A
Divide the minutes on each watch by 4 to give the hour value.
Answer of previous Puzzle 4:
13
Starting on the left, values in corresponding segments of each circle increase by 1, 2, 3 and 4. The relative positions of the sequence rotate 1/4 turn clockwise as you move to the right.
Answer of previous Puzzle 5:
2:53
Taking the hour and minute values separately, the hours decrease by 3, 4, 5 and 6 hours and the minutes increase by 21, 23, 25 and 27.
Answer of previous Puzzle 6:
1
The figure in the centre of each triangle equals the sum of the squares on the three corners.
Answer of previous Puzzle 7:
5
Working from left to right in each figure, the numbers add up to 32, 34 and 36.
Answer of previous Puzzle 8:
9
Take each number in the outer ring as a 2 digit number and multiply them together. Write this answer plus 1 in the inner segment opposite.
Answer of previous Puzzle 9:
12
In each box, square the top numbers and subtract 4 to give the lower number.
Answer of previous Puzzle 10:
51
Starting from the left hand circle, working top to bottom in columns then to the next column to the right, add 1, then 2, then 3 etc. until the central circle, then subtract 11, 10, 9 etc.
Answer of previous Puzzle 11:
56
In each diagram, divide the top left value by 3, multiply it by the top right value, then multiply the answer by 4 to give the lower value.
Answer of previous Puzzle 12:
Working in rows, using the left hand figure as a source, reflect around a vertical axis to give the middle figure, and reflect around a horizontal axis to give the right hand figure.
Answer of previous Puzzle 13:
55
The boxes follow the sequence of prime numbers multiplied by 5.
Answer of previous Puzzle 14:
J
In rows the left hand number equals the numerical value of the centre letter plus 1, the right hand number equals the reverse alphabetical value of the letter plus 1.
Answer of previous Puzzle 15:
19
In each row, starting on the left, multiply the number by 3 and subtract 2 to give the next number on the right.
Answer of previous Puzzle 16:
H
In each row, add the numerical values of the left and right hand letters to give the reverse alphabetical values of the central letter.
Answer of previous Puzzle 17:
65
Moving downwards, double each number and subtract 1.
Answer of previous Puzzle 18:
X
Letters increase in value down each column by 4 in the first column, 5 in the middle and 6 in the right hand column.
Answer of previous Puzzle 19:
78
Moving downwards, add 1 to each number and double it to get the next number.
Answer of previous Puzzle 20:
L
Starting at the top and working inwards in a clockwise spiral, letters increase in value by 4 each time.
M
Letters descend in reverse alphabetical order in intervals of 7 then 6, 5, 4 and 3.
Answer of previous Puzzle 2:
21
In each circle, starting top left and moving clockwise, multiply the first number by 3 and sub-tract 3 to give the next value.
Answer of previous Puzzle 3:
A
Divide the minutes on each watch by 4 to give the hour value.
Answer of previous Puzzle 4:
13
Starting on the left, values in corresponding segments of each circle increase by 1, 2, 3 and 4. The relative positions of the sequence rotate 1/4 turn clockwise as you move to the right.
Answer of previous Puzzle 5:
2:53
Taking the hour and minute values separately, the hours decrease by 3, 4, 5 and 6 hours and the minutes increase by 21, 23, 25 and 27.
Answer of previous Puzzle 6:
1
The figure in the centre of each triangle equals the sum of the squares on the three corners.
Answer of previous Puzzle 7:
5
Working from left to right in each figure, the numbers add up to 32, 34 and 36.
Answer of previous Puzzle 8:
9
Take each number in the outer ring as a 2 digit number and multiply them together. Write this answer plus 1 in the inner segment opposite.
Answer of previous Puzzle 9:
12
In each box, square the top numbers and subtract 4 to give the lower number.
Answer of previous Puzzle 10:
51
Starting from the left hand circle, working top to bottom in columns then to the next column to the right, add 1, then 2, then 3 etc. until the central circle, then subtract 11, 10, 9 etc.
Answer of previous Puzzle 11:
56
In each diagram, divide the top left value by 3, multiply it by the top right value, then multiply the answer by 4 to give the lower value.
Answer of previous Puzzle 12:
Working in rows, using the left hand figure as a source, reflect around a vertical axis to give the middle figure, and reflect around a horizontal axis to give the right hand figure.
Answer of previous Puzzle 13:
55
The boxes follow the sequence of prime numbers multiplied by 5.
Answer of previous Puzzle 14:
J
In rows the left hand number equals the numerical value of the centre letter plus 1, the right hand number equals the reverse alphabetical value of the letter plus 1.
Answer of previous Puzzle 15:
19
In each row, starting on the left, multiply the number by 3 and subtract 2 to give the next number on the right.
Answer of previous Puzzle 16:
H
In each row, add the numerical values of the left and right hand letters to give the reverse alphabetical values of the central letter.
Answer of previous Puzzle 17:
65
Moving downwards, double each number and subtract 1.
Answer of previous Puzzle 18:
X
Letters increase in value down each column by 4 in the first column, 5 in the middle and 6 in the right hand column.
Answer of previous Puzzle 19:
78
Moving downwards, add 1 to each number and double it to get the next number.
Answer of previous Puzzle 20:
L
Starting at the top and working inwards in a clockwise spiral, letters increase in value by 4 each time.
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