Each of the three digits in the right column relates to the numbers in the left column.

What number belongs in the blank space?

  4   2   3     3  
  7   0   8     5  
  9   7   5     7  
  6   1   5      

Solution to the Problem:

Here is the solution:

The answer is 4.

Each number in the right column is the average of the numbers in the left column.
(4 + 2 + 3) / 3 = 3
(7 + 0 + 8) / 3 = 5
(9 + 7 + 5) / 3 = 7
(6 + 1 + 5) / 3 = 4



Correctly solved by:

1. Davit Banana Istanbul, Turkey
2. Dr. Hari Kishan D.N. College,
Meerut, Uttar Pradesh, India
3. Colin (Yowie) Bowey Beechworth, Victoria, Australia
4. Navya Budhiraja -------------
5. Sapna Dominic Mumbai India
6. K M Thomas Mumbai India
7. Kelly Stubblefield Mobile, Alabama, USA