Puzzles - Number puzzles

Answer

:

6

Explanation

:

For each star, add the outer numbers together and divide by 3 for the left hand, 4 for the centre, and 5 for the right hand, putting the result in the centre.

Answer

:

12

Explanation

:

Add together numbers in corresponding segments of the upper two and lower left circles to give the values in corresponding segments of the lower right circle.

Answer

:

3

Explanation

:

Starting at the top and moving down, reading each pair of boxes as a 2 digit number, add the separate digits to the 2 digit number as a whole, and put the result in the 2 boxes below. Continue this sequence as you move down.