Puzzles - Number puzzles
Exercise : Number puzzles
49.

Answer
:
3
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.
50.

Answer
:
13
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.
51.

Answer
:
6
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.
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