# Puzzles number

## Number puzzle

 Question 1
 A 6 B 47 C 2 D 21
Question 1 Explanation:
Looking at the diagram in rows, the central circle equals half the sum of the numbers in the other circles to the left and right of the centre.

 Question 2
 A 45 B 20 C 16 D 41
Question 2 Explanation:
Moving clockwise, around alternate segments in the chain, one sequence decreases by 1, 2, 3 and 4 each time, while the other increases by 2, 3, 4 and 5.

 Question 3
 A 53 B 97 C 4 D 50
Question 3 Explanation:
In each row of the diagram, the sum of the left and right hand digits, minus the central digit is always 8.

 Question 4
 A 8 B 29 C 28 D 11
Question 4 Explanation:
Divide the circle, horizontally and vertically, to give 4 quarters. The sum of the numbers in the segments of each quarter equals 11.

 Question 5
 A 5 B 44 C 36 D 6
Question 5 Explanation:
Working through the diagram in rows, and reading each row as a whole number, the diagram represents a subtraction sum : 203 - 7 = 196

 Question 6
 A 14 B 85 C 39 D 3
Question 6 Explanation:
Moving from left to right, add 6 to the first number to get the next one along, then 8, 10 and 12 to complete the sequence.

 Question 7
 A 6 B 40 C 16 D 47
Question 7 Explanation:
Starting with the top left number, and working down one row at a time, alternating between left and right, double the number each time. Repeat this sequence, starting with the top right number.

 Question 8
 A 1 B 18 C 36 D 22
Question 8 Explanation:
Numbers in segments of the central circle equal the difference between the sum of the numbers in corresponding segments of the left two and right two circles.

 Question 9
 A 16 B 35 C 71 D 2
Question 9 Explanation:
Working in columns, starting with the top number, add 4 to give the next value down, and add 5 to give the one under that.

 Question 10
 A 11 B 21 C 56 D 43
Question 10 Explanation:
In each star, add together the top 3 numbers, and subtract the lower 2 numbers, to give the value in the centre of each star.
There are 10 questions to complete.