IQ Puzzles 12
Answer of previous Puzzle 1:
30
In each circle, multiply the two upper numbers and subtract 10 to give the lower value.
Answer of previous Puzzle 2:
B
Divide the numerical value of the left hand letter by the numerical value of the right hand letter to give the value of the lower letter.
Answer of previous Puzzle 3:
25
The larger numbers are the squares of the numbers in the opposite segments of the circle.
Answer of previous Puzzle 4:
1
The figures in the right hand column equal the difference between the numbers in the left and centre columns.
Answer of previous Puzzle 5:
M
Starting at the bottom left and moving anticlockwise, letters progress through the alphabet in steps of 2, then 3, etc. etc. returning to the beginning of the alphabet whenever Z is reached.
Answer of previous Puzzle 6:
Working in rows, ro ate the left hand igure by a 1/4 turn clock-wise to give the central figure, and 1 4 turn anticlockwise to give the right hand figure.
Answer of previous Puzzle 7:
2
In each diagram, add the numerical values of the four letters and write the two digit answer down the right hand column.
Answer of previous Puzzle 8:
O
Starting top left and moving clockwise in a spiral, letters fol-low the alphabetical sequence, missing out letters written with¬out any curved lines.
Answer of previous Puzzle 9:
34
Working with the corresponding numbers in each box the numbers decrease by one each move downwards.
Answer of previous Puzzle 10:
P
In each row letters increase in value from left to right in steps of three for the top row, then 4, 5 and 6 for the other rows.
Answer of previous Puzzle 11:
7
Splitting the diagram into four smaller squares the value in the box towards the centre equals the sum of the other three numbers.
Answer of previous Puzzle 12:
O
In rows, each letter is represented by a 2 digit figure, the first digit being the difference between the left and centre numbers, the second digit equals the sum of the two numbers.
Answer of previous Puzzle 13:
3
Starting top left and moving clockwise in a spiral, the sequence of letters I, R, T, W, E, D, B, T, F, 0, 0, S repeats over and over.
Answer of previous Puzzle 14:
10 metres.
Answer of previous Puzzle 15:
B
In each row, add the black squares from the left hand and centre boxes to give the figure in the right hand box.
Answer of previous Puzzle 16:
6
For the first sequence, double the top numbers separately and enter the answer in the third box down, repeat this for the fifth line. For the next sequence add one to each figure on the second row and put the answer on the fourth row, repeating again for the last row.
Answer of previous Puzzle 17:
10
Numbers are arranged in columns of 4, with each one increasing downwards in steps of 2.
Answer of previous Puzzle 18:
17 & M
Numbers on the left descend in prime number order, starting with 3. Values of the right hand letters also follow the prime order sequence, this time starting with 2.
Answer of previous Puzzle 19:
1600
She likes squared numbers.
Answer of previous Puzzle 20:
30
In each circle, multiply the two upper numbers and subtract 10 to give the lower value.
Answer of previous Puzzle 2:
B
Divide the numerical value of the left hand letter by the numerical value of the right hand letter to give the value of the lower letter.
Answer of previous Puzzle 3:
25
The larger numbers are the squares of the numbers in the opposite segments of the circle.
Answer of previous Puzzle 4:
1
The figures in the right hand column equal the difference between the numbers in the left and centre columns.
Answer of previous Puzzle 5:
M
Starting at the bottom left and moving anticlockwise, letters progress through the alphabet in steps of 2, then 3, etc. etc. returning to the beginning of the alphabet whenever Z is reached.
Answer of previous Puzzle 6:
Working in rows, ro ate the left hand igure by a 1/4 turn clock-wise to give the central figure, and 1 4 turn anticlockwise to give the right hand figure.
Answer of previous Puzzle 7:
2
In each diagram, add the numerical values of the four letters and write the two digit answer down the right hand column.
Answer of previous Puzzle 8:
O
Starting top left and moving clockwise in a spiral, letters fol-low the alphabetical sequence, missing out letters written with¬out any curved lines.
Answer of previous Puzzle 9:
34
Working with the corresponding numbers in each box the numbers decrease by one each move downwards.
Answer of previous Puzzle 10:
P
In each row letters increase in value from left to right in steps of three for the top row, then 4, 5 and 6 for the other rows.
Answer of previous Puzzle 11:
7
Splitting the diagram into four smaller squares the value in the box towards the centre equals the sum of the other three numbers.
Answer of previous Puzzle 12:
O
In rows, each letter is represented by a 2 digit figure, the first digit being the difference between the left and centre numbers, the second digit equals the sum of the two numbers.
Answer of previous Puzzle 13:
3
Starting top left and moving clockwise in a spiral, the sequence of letters I, R, T, W, E, D, B, T, F, 0, 0, S repeats over and over.
Answer of previous Puzzle 14:
10 metres.
Answer of previous Puzzle 15:
B
In each row, add the black squares from the left hand and centre boxes to give the figure in the right hand box.
Answer of previous Puzzle 16:
6
For the first sequence, double the top numbers separately and enter the answer in the third box down, repeat this for the fifth line. For the next sequence add one to each figure on the second row and put the answer on the fourth row, repeating again for the last row.
Answer of previous Puzzle 17:
10
Numbers are arranged in columns of 4, with each one increasing downwards in steps of 2.
Answer of previous Puzzle 18:
17 & M
Numbers on the left descend in prime number order, starting with 3. Values of the right hand letters also follow the prime order sequence, this time starting with 2.
Answer of previous Puzzle 19:
1600
She likes squared numbers.
Answer of previous Puzzle 20:
21 / 23
