# Number Puzzles Questions and Answers Home > Reasoning and Puzzles > Number Puzzles > Number Puzzles Questions  A. 7
B. 5
C. 9
D. 11

Explanation :

Reading each pair of numbers in a row as a 2 digit number, values increase by 6 each time.  A. 8
B. 5
C. 3
D. 1

Explanation :

Reading each column as a 3 digit number, moving from left to right, the columns follow the sequence of cube numbers of 5, 6 and 7.   A. 31
B. 13
C. 12
D. 21

Explanation :

In each star, the central value equals the sum of the upper and lower digits on each star, subtracting the sum of the left and right hand digits.  A. 16
B. 6
C. 3
D. 9

Explanation :

In each circle, double the numbers on the left hand side and put the result in the opposite segment on the right hand side.  A. 4
B. 6
C. 2
D. 111

Explanation :

Adding up the digits in each oval shape, as you move down the column this total increases by 2 each time, from 12 to 22.  #### Sudoku

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